diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-17 15:53:02 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-17 15:53:04 +1100 |
commit | 6641ce8e95e9cb5c678cf882f9eb7c7632fa1a2c (patch) | |
tree | e36b518353cf1b36c20a8b315de17ea8ee577c39 /drivers | |
parent | 200445685b48a1f4eb8e4abb4ae46f22236b1197 (diff) | |
parent | 1224d22e9f1c57618e6db3737c17f8a1e0927d18 (diff) |
Merge branch 'akpm-current/current'
Diffstat (limited to 'drivers')
56 files changed, 284 insertions, 383 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 9451b762fa1c..2bbcdc6fdfee 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -657,7 +657,7 @@ free_range: page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE]; if (vma) zap_page_range(vma, (uintptr_t)page_addr + - proc->user_buffer_offset, PAGE_SIZE, NULL); + proc->user_buffer_offset, PAGE_SIZE); err_vm_insert_page_failed: unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE); err_map_kernel_failed: @@ -3342,7 +3342,7 @@ static void binder_vma_close(struct vm_area_struct *vma) binder_defer_work(proc, BINDER_DEFERRED_PUT_FILES); } -static int binder_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int binder_vm_fault(struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index e167a1e1bccb..b55804cac4c4 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -181,6 +181,7 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, * @dev: Pointer to device for which the allocation is performed. * @count: Requested number of pages. * @align: Requested alignment of pages (in PAGE_SIZE order). + * @gfp_mask: GFP flags to use for this allocation. * * This function allocates memory buffer for specified device. It uses * device specific contiguous memory area if available or the default @@ -188,12 +189,12 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, * function. */ struct page *dma_alloc_from_contiguous(struct device *dev, size_t count, - unsigned int align) + unsigned int align, gfp_t gfp_mask) { if (align > CONFIG_CMA_ALIGNMENT) align = CONFIG_CMA_ALIGNMENT; - return cma_alloc(dev_get_cma_area(dev), count, align); + return cma_alloc(dev_get_cma_area(dev), count, align, gfp_mask); } /** diff --git a/drivers/base/memory.c b/drivers/base/memory.c index fa26ffd25fa6..fb381464e9cb 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -685,24 +685,16 @@ static int add_memory_block(int base_section_nr) return 0; } -static bool is_zone_device_section(struct mem_section *ms) -{ - struct page *page; - - page = sparse_decode_mem_map(ms->section_mem_map, __section_nr(ms)); - return is_zone_device_page(page); -} - /* * need an interface for the VM to add new memory regions, * but without onlining it. */ -int register_new_memory(int nid, struct mem_section *section) +int register_new_memory(struct zone *zone, int nid, struct mem_section *section) { int ret = 0; struct memory_block *mem; - if (is_zone_device_section(section)) + if (is_dev_zone(zone)) return 0; mutex_lock(&mem_sysfs_mutex); @@ -736,14 +728,11 @@ unregister_memory(struct memory_block *memory) device_unregister(&memory->dev); } -static int remove_memory_section(unsigned long node_id, - struct mem_section *section, int phys_device) +static int remove_memory_section(struct zone *zone, unsigned long node_id, + struct mem_section *section, int phys_device) { struct memory_block *mem; - if (is_zone_device_section(section)) - return 0; - mutex_lock(&mem_sysfs_mutex); mem = find_memory_block(section); unregister_mem_sect_under_nodes(mem, __section_nr(section)); @@ -758,12 +747,15 @@ static int remove_memory_section(unsigned long node_id, return 0; } -int unregister_memory_section(struct mem_section *section) +int unregister_memory_section(struct zone *zone, struct mem_section *section) { + if (is_dev_zone(zone)) + return 0; + if (!present_section(section)) return -EINVAL; - return remove_memory_section(0, section, 0); + return remove_memory_section(zone, 0, section, 0); } #endif /* CONFIG_MEMORY_HOTREMOVE */ diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 3cd7856156b4..e27d89a36c34 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -45,27 +45,6 @@ static const char *default_compressor = "lzo"; /* Module params (documentation at end) */ static unsigned int num_devices = 1; -static inline void deprecated_attr_warn(const char *name) -{ - pr_warn_once("%d (%s) Attribute %s (and others) will be removed. %s\n", - task_pid_nr(current), - current->comm, - name, - "See zram documentation."); -} - -#define ZRAM_ATTR_RO(name) \ -static ssize_t name##_show(struct device *d, \ - struct device_attribute *attr, char *b) \ -{ \ - struct zram *zram = dev_to_zram(d); \ - \ - deprecated_attr_warn(__stringify(name)); \ - return scnprintf(b, PAGE_SIZE, "%llu\n", \ - (u64)atomic64_read(&zram->stats.name)); \ -} \ -static DEVICE_ATTR_RO(name); - static inline bool init_done(struct zram *zram) { return zram->disksize; @@ -95,6 +74,17 @@ static void zram_clear_flag(struct zram_meta *meta, u32 index, meta->table[index].value &= ~BIT(flag); } +static inline void zram_set_element(struct zram_meta *meta, u32 index, + unsigned long element) +{ + meta->table[index].element = element; +} + +static inline void zram_clear_element(struct zram_meta *meta, u32 index) +{ + meta->table[index].element = 0; +} + static size_t zram_get_obj_size(struct zram_meta *meta, u32 index) { return meta->table[index].value & (BIT(ZRAM_FLAG_SHIFT) - 1); @@ -167,31 +157,46 @@ static inline void update_used_max(struct zram *zram, } while (old_max != cur_max); } -static bool page_zero_filled(void *ptr) +static inline void zram_fill_page(char *ptr, unsigned long len, + unsigned long value) +{ + int i; + unsigned long *page = (unsigned long *)ptr; + + WARN_ON_ONCE(!IS_ALIGNED(len, sizeof(unsigned long))); + + if (likely(value == 0)) { + memset(ptr, 0, len); + } else { + for (i = 0; i < len / sizeof(*page); i++) + page[i] = value; + } +} + +static bool page_same_filled(void *ptr, unsigned long *element) { unsigned int pos; unsigned long *page; page = (unsigned long *)ptr; - for (pos = 0; pos != PAGE_SIZE / sizeof(*page); pos++) { - if (page[pos]) + for (pos = 0; pos < PAGE_SIZE / sizeof(*page) - 1; pos++) { + if (page[pos] != page[pos + 1]) return false; } + *element = page[pos]; + return true; } -static void handle_zero_page(struct bio_vec *bvec) +static void handle_same_page(struct bio_vec *bvec, unsigned long element) { struct page *page = bvec->bv_page; void *user_mem; user_mem = kmap_atomic(page); - if (is_partial_io(bvec)) - memset(user_mem + bvec->bv_offset, 0, bvec->bv_len); - else - clear_page(user_mem); + zram_fill_page(user_mem + bvec->bv_offset, bvec->bv_len, element); kunmap_atomic(user_mem); flush_dcache_page(page); @@ -218,47 +223,6 @@ static ssize_t disksize_show(struct device *dev, return scnprintf(buf, PAGE_SIZE, "%llu\n", zram->disksize); } -static ssize_t orig_data_size_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zram *zram = dev_to_zram(dev); - - deprecated_attr_warn("orig_data_size"); - return scnprintf(buf, PAGE_SIZE, "%llu\n", - (u64)(atomic64_read(&zram->stats.pages_stored)) << PAGE_SHIFT); -} - -static ssize_t mem_used_total_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u64 val = 0; - struct zram *zram = dev_to_zram(dev); - - deprecated_attr_warn("mem_used_total"); - down_read(&zram->init_lock); - if (init_done(zram)) { - struct zram_meta *meta = zram->meta; - val = zs_get_total_pages(meta->mem_pool); - } - up_read(&zram->init_lock); - - return scnprintf(buf, PAGE_SIZE, "%llu\n", val << PAGE_SHIFT); -} - -static ssize_t mem_limit_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u64 val; - struct zram *zram = dev_to_zram(dev); - - deprecated_attr_warn("mem_limit"); - down_read(&zram->init_lock); - val = zram->limit_pages; - up_read(&zram->init_lock); - - return scnprintf(buf, PAGE_SIZE, "%llu\n", val << PAGE_SHIFT); -} - static ssize_t mem_limit_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { @@ -277,21 +241,6 @@ static ssize_t mem_limit_store(struct device *dev, return len; } -static ssize_t mem_used_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u64 val = 0; - struct zram *zram = dev_to_zram(dev); - - deprecated_attr_warn("mem_used_max"); - down_read(&zram->init_lock); - if (init_done(zram)) - val = atomic_long_read(&zram->stats.max_used_pages); - up_read(&zram->init_lock); - - return scnprintf(buf, PAGE_SIZE, "%llu\n", val << PAGE_SHIFT); -} - static ssize_t mem_used_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { @@ -440,7 +389,7 @@ static ssize_t mm_stat_show(struct device *dev, mem_used << PAGE_SHIFT, zram->limit_pages << PAGE_SHIFT, max_used << PAGE_SHIFT, - (u64)atomic64_read(&zram->stats.zero_pages), + (u64)atomic64_read(&zram->stats.same_pages), pool_stats.pages_compacted); up_read(&zram->init_lock); @@ -467,26 +416,6 @@ static ssize_t debug_stat_show(struct device *dev, static DEVICE_ATTR_RO(io_stat); static DEVICE_ATTR_RO(mm_stat); static DEVICE_ATTR_RO(debug_stat); -ZRAM_ATTR_RO(num_reads); -ZRAM_ATTR_RO(num_writes); -ZRAM_ATTR_RO(failed_reads); -ZRAM_ATTR_RO(failed_writes); -ZRAM_ATTR_RO(invalid_io); -ZRAM_ATTR_RO(notify_free); -ZRAM_ATTR_RO(zero_pages); -ZRAM_ATTR_RO(compr_data_size); - -static inline bool zram_meta_get(struct zram *zram) -{ - if (atomic_inc_not_zero(&zram->refcount)) - return true; - return false; -} - -static inline void zram_meta_put(struct zram *zram) -{ - atomic_dec(&zram->refcount); -} static void zram_meta_free(struct zram_meta *meta, u64 disksize) { @@ -496,8 +425,11 @@ static void zram_meta_free(struct zram_meta *meta, u64 disksize) /* Free all pages that are still in this zram device */ for (index = 0; index < num_pages; index++) { unsigned long handle = meta->table[index].handle; - - if (!handle) + /* + * No memory is allocated for same element filled pages. + * Simply clear same page flag. + */ + if (!handle || zram_test_flag(meta, index, ZRAM_SAME)) continue; zs_free(meta->mem_pool, handle); @@ -547,18 +479,20 @@ static void zram_free_page(struct zram *zram, size_t index) struct zram_meta *meta = zram->meta; unsigned long handle = meta->table[index].handle; - if (unlikely(!handle)) { - /* - * No memory is allocated for zero filled pages. - * Simply clear zero page flag. - */ - if (zram_test_flag(meta, index, ZRAM_ZERO)) { - zram_clear_flag(meta, index, ZRAM_ZERO); - atomic64_dec(&zram->stats.zero_pages); - } + /* + * No memory is allocated for same element filled pages. + * Simply clear same page flag. + */ + if (zram_test_flag(meta, index, ZRAM_SAME)) { + zram_clear_flag(meta, index, ZRAM_SAME); + zram_clear_element(meta, index); + atomic64_dec(&zram->stats.same_pages); return; } + if (!handle) + return; + zs_free(meta->mem_pool, handle); atomic64_sub(zram_get_obj_size(meta, index), @@ -581,9 +515,9 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index) handle = meta->table[index].handle; size = zram_get_obj_size(meta, index); - if (!handle || zram_test_flag(meta, index, ZRAM_ZERO)) { + if (!handle || zram_test_flag(meta, index, ZRAM_SAME)) { bit_spin_unlock(ZRAM_ACCESS, &meta->table[index].value); - clear_page(mem); + zram_fill_page(mem, PAGE_SIZE, meta->table[index].element); return 0; } @@ -619,9 +553,9 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec, bit_spin_lock(ZRAM_ACCESS, &meta->table[index].value); if (unlikely(!meta->table[index].handle) || - zram_test_flag(meta, index, ZRAM_ZERO)) { + zram_test_flag(meta, index, ZRAM_SAME)) { bit_spin_unlock(ZRAM_ACCESS, &meta->table[index].value); - handle_zero_page(bvec); + handle_same_page(bvec, meta->table[index].element); return 0; } bit_spin_unlock(ZRAM_ACCESS, &meta->table[index].value); @@ -669,6 +603,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, struct zram_meta *meta = zram->meta; struct zcomp_strm *zstrm = NULL; unsigned long alloced_pages; + unsigned long element; page = bvec->bv_page; if (is_partial_io(bvec)) { @@ -697,16 +632,17 @@ compress_again: uncmem = user_mem; } - if (page_zero_filled(uncmem)) { + if (page_same_filled(uncmem, &element)) { if (user_mem) kunmap_atomic(user_mem); /* Free memory associated with this sector now. */ bit_spin_lock(ZRAM_ACCESS, &meta->table[index].value); zram_free_page(zram, index); - zram_set_flag(meta, index, ZRAM_ZERO); + zram_set_flag(meta, index, ZRAM_SAME); + zram_set_element(meta, index, element); bit_spin_unlock(ZRAM_ACCESS, &meta->table[index].value); - atomic64_inc(&zram->stats.zero_pages); + atomic64_inc(&zram->stats.same_pages); ret = 0; goto out; } @@ -944,22 +880,17 @@ static blk_qc_t zram_make_request(struct request_queue *queue, struct bio *bio) { struct zram *zram = queue->queuedata; - if (unlikely(!zram_meta_get(zram))) - goto error; - blk_queue_split(queue, &bio, queue->bio_split); if (!valid_io_request(zram, bio->bi_iter.bi_sector, bio->bi_iter.bi_size)) { atomic64_inc(&zram->stats.invalid_io); - goto put_zram; + goto error; } __zram_make_request(zram, bio); - zram_meta_put(zram); return BLK_QC_T_NONE; -put_zram: - zram_meta_put(zram); + error: bio_io_error(bio); return BLK_QC_T_NONE; @@ -989,13 +920,11 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector, struct bio_vec bv; zram = bdev->bd_disk->private_data; - if (unlikely(!zram_meta_get(zram))) - goto out; if (!valid_io_request(zram, sector, PAGE_SIZE)) { atomic64_inc(&zram->stats.invalid_io); err = -EINVAL; - goto put_zram; + goto out; } index = sector >> SECTORS_PER_PAGE_SHIFT; @@ -1006,8 +935,6 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector, bv.bv_offset = 0; err = zram_bvec_rw(zram, &bv, index, offset, is_write); -put_zram: - zram_meta_put(zram); out: /* * If I/O fails, just return error(ie, non-zero) without @@ -1040,17 +967,6 @@ static void zram_reset_device(struct zram *zram) meta = zram->meta; comp = zram->comp; disksize = zram->disksize; - /* - * Refcount will go down to 0 eventually and r/w handler - * cannot handle further I/O so it will bail out by - * check zram_meta_get. - */ - zram_meta_put(zram); - /* - * We want to free zram_meta in process context to avoid - * deadlock between reclaim path and any other locks. - */ - wait_event(zram->io_done, atomic_read(&zram->refcount) == 0); /* Reset stats */ memset(&zram->stats, 0, sizeof(zram->stats)); @@ -1098,8 +1014,6 @@ static ssize_t disksize_store(struct device *dev, goto out_destroy_comp; } - init_waitqueue_head(&zram->io_done); - atomic_set(&zram->refcount, 1); zram->meta = meta; zram->comp = comp; zram->disksize = disksize; @@ -1188,10 +1102,8 @@ static DEVICE_ATTR_WO(compact); static DEVICE_ATTR_RW(disksize); static DEVICE_ATTR_RO(initstate); static DEVICE_ATTR_WO(reset); -static DEVICE_ATTR_RO(orig_data_size); -static DEVICE_ATTR_RO(mem_used_total); -static DEVICE_ATTR_RW(mem_limit); -static DEVICE_ATTR_RW(mem_used_max); +static DEVICE_ATTR_WO(mem_limit); +static DEVICE_ATTR_WO(mem_used_max); static DEVICE_ATTR_RW(max_comp_streams); static DEVICE_ATTR_RW(comp_algorithm); @@ -1199,17 +1111,7 @@ static struct attribute *zram_disk_attrs[] = { &dev_attr_disksize.attr, &dev_attr_initstate.attr, &dev_attr_reset.attr, - &dev_attr_num_reads.attr, - &dev_attr_num_writes.attr, - &dev_attr_failed_reads.attr, - &dev_attr_failed_writes.attr, &dev_attr_compact.attr, - &dev_attr_invalid_io.attr, - &dev_attr_notify_free.attr, - &dev_attr_zero_pages.attr, - &dev_attr_orig_data_size.attr, - &dev_attr_compr_data_size.attr, - &dev_attr_mem_used_total.attr, &dev_attr_mem_limit.attr, &dev_attr_mem_used_max.attr, &dev_attr_max_comp_streams.attr, diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 74fcf10da374..caeff51f1571 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -61,7 +61,7 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3; /* Flags for zram pages (table[page_no].value) */ enum zram_pageflags { /* Page consists entirely of zeros */ - ZRAM_ZERO = ZRAM_FLAG_SHIFT, + ZRAM_SAME = ZRAM_FLAG_SHIFT, ZRAM_ACCESS, /* page is now accessed */ __NR_ZRAM_PAGEFLAGS, @@ -71,7 +71,10 @@ enum zram_pageflags { /* Allocated for each disk page */ struct zram_table_entry { - unsigned long handle; + union { + unsigned long handle; + unsigned long element; + }; unsigned long value; }; @@ -83,7 +86,7 @@ struct zram_stats { atomic64_t failed_writes; /* can happen when memory is too low */ atomic64_t invalid_io; /* non-page-aligned I/O requests */ atomic64_t notify_free; /* no. of swap slot free notifications */ - atomic64_t zero_pages; /* no. of zero filled pages */ + atomic64_t same_pages; /* no. of same element filled pages */ atomic64_t pages_stored; /* no. of pages currently stored */ atomic_long_t max_used_pages; /* no. of maximum pages stored */ atomic64_t writestall; /* no. of write slow paths */ @@ -106,9 +109,6 @@ struct zram { unsigned long limit_pages; struct zram_stats stats; - atomic_t refcount; /* refcount for zram_meta */ - /* wait all IO under all of cpu are done */ - wait_queue_head_t io_done; /* * This is the limit on amount of *uncompressed* worth of data * we can store in a disk. diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c index 737187865269..53fe633df1e8 100644 --- a/drivers/char/agp/alpha-agp.c +++ b/drivers/char/agp/alpha-agp.c @@ -11,15 +11,14 @@ #include "agp.h" -static int alpha_core_agp_vm_fault(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int alpha_core_agp_vm_fault(struct vm_fault *vmf) { alpha_agp_info *agp = agp_bridge->dev_private_data; dma_addr_t dma_addr; unsigned long pa; struct page *page; - dma_addr = vmf->address - vma->vm_start + agp->aperture.bus_base; + dma_addr = vmf->address - vmf->vma->vm_start + agp->aperture.bus_base; pa = agp->ops->translate(agp, dma_addr); if (pa == (unsigned long)-EINVAL) diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index a697ca0cab1e..a9c2fa3c81e5 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -191,12 +191,12 @@ mspec_close(struct vm_area_struct *vma) * Creates a mspec page and maps it to user space. */ static int -mspec_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +mspec_fault(struct vm_fault *vmf) { unsigned long paddr, maddr; unsigned long pfn; pgoff_t index = vmf->pgoff; - struct vma_data *vdata = vma->vm_private_data; + struct vma_data *vdata = vmf->vma->vm_private_data; maddr = (volatile unsigned long) vdata->maddr[index]; if (maddr == 0) { @@ -227,7 +227,7 @@ mspec_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * be because another thread has installed the pte first, so it * is no problem. */ - vm_insert_pfn(vma, vmf->address, pfn); + vm_insert_pfn(vmf->vma, vmf->address, pfn); return VM_FAULT_NOPAGE; } diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index ed758b74ddf0..b75c77254fdb 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -419,8 +419,7 @@ static phys_addr_t pgoff_to_phys(struct dax_dev *dax_dev, pgoff_t pgoff, return -1; } -static int __dax_dev_fault(struct dax_dev *dax_dev, struct vm_area_struct *vma, - struct vm_fault *vmf) +static int __dax_dev_pte_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) { struct device *dev = &dax_dev->dev; struct dax_region *dax_region; @@ -428,7 +427,7 @@ static int __dax_dev_fault(struct dax_dev *dax_dev, struct vm_area_struct *vma, phys_addr_t phys; pfn_t pfn; - if (check_vma(dax_dev, vma, __func__)) + if (check_vma(dax_dev, vmf->vma, __func__)) return VM_FAULT_SIGBUS; dax_region = dax_dev->region; @@ -446,7 +445,7 @@ static int __dax_dev_fault(struct dax_dev *dax_dev, struct vm_area_struct *vma, pfn = phys_to_pfn_t(phys, dax_region->pfn_flags); - rc = vm_insert_mixed(vma, vmf->address, pfn); + rc = vm_insert_mixed(vmf->vma, vmf->address, pfn); if (rc == -ENOMEM) return VM_FAULT_OOM; @@ -456,50 +455,71 @@ static int __dax_dev_fault(struct dax_dev *dax_dev, struct vm_area_struct *vma, return VM_FAULT_NOPAGE; } -static int dax_dev_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) { - int rc; - struct file *filp = vma->vm_file; - struct dax_dev *dax_dev = filp->private_data; + unsigned long pmd_addr = vmf->address & PMD_MASK; + struct device *dev = &dax_dev->dev; + struct dax_region *dax_region; + phys_addr_t phys; + pgoff_t pgoff; + pfn_t pfn; - dev_dbg(&dax_dev->dev, "%s: %s: %s (%#lx - %#lx)\n", __func__, - current->comm, (vmf->flags & FAULT_FLAG_WRITE) - ? "write" : "read", vma->vm_start, vma->vm_end); - rcu_read_lock(); - rc = __dax_dev_fault(dax_dev, vma, vmf); - rcu_read_unlock(); + if (check_vma(dax_dev, vmf->vma, __func__)) + return VM_FAULT_SIGBUS; - return rc; + dax_region = dax_dev->region; + if (dax_region->align > PMD_SIZE) { + dev_dbg(dev, "%s: alignment > fault size\n", __func__); + return VM_FAULT_SIGBUS; + } + + /* dax pmd mappings require pfn_t_devmap() */ + if ((dax_region->pfn_flags & (PFN_DEV|PFN_MAP)) != (PFN_DEV|PFN_MAP)) { + dev_dbg(dev, "%s: alignment > fault size\n", __func__); + return VM_FAULT_SIGBUS; + } + + pgoff = linear_page_index(vmf->vma, pmd_addr); + phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE); + if (phys == -1) { + dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, + pgoff); + return VM_FAULT_SIGBUS; + } + + pfn = phys_to_pfn_t(phys, dax_region->pfn_flags); + + return vmf_insert_pfn_pmd(vmf->vma, vmf->address, vmf->pmd, pfn, + vmf->flags & FAULT_FLAG_WRITE); } -static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, - struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, - unsigned int flags) +#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD +static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) { - unsigned long pmd_addr = addr & PMD_MASK; + unsigned long pud_addr = vmf->address & PUD_MASK; struct device *dev = &dax_dev->dev; struct dax_region *dax_region; phys_addr_t phys; pgoff_t pgoff; pfn_t pfn; - if (check_vma(dax_dev, vma, __func__)) + if (check_vma(dax_dev, vmf->vma, __func__)) return VM_FAULT_SIGBUS; dax_region = dax_dev->region; - if (dax_region->align > PMD_SIZE) { + if (dax_region->align > PUD_SIZE) { dev_dbg(dev, "%s: alignment > fault size\n", __func__); return VM_FAULT_SIGBUS; } - /* dax pmd mappings require pfn_t_devmap() */ + /* dax pud mappings require pfn_t_devmap() */ if ((dax_region->pfn_flags & (PFN_DEV|PFN_MAP)) != (PFN_DEV|PFN_MAP)) { dev_dbg(dev, "%s: alignment > fault size\n", __func__); return VM_FAULT_SIGBUS; } - pgoff = linear_page_index(vma, pmd_addr); - phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE); + pgoff = linear_page_index(vmf->vma, pud_addr); + phys = pgoff_to_phys(dax_dev, pgoff, PUD_SIZE); if (phys == -1) { dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, pgoff); @@ -508,31 +528,55 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, pfn = phys_to_pfn_t(phys, dax_region->pfn_flags); - return vmf_insert_pfn_pmd(vma, addr, pmd, pfn, - flags & FAULT_FLAG_WRITE); + return vmf_insert_pfn_pud(vmf->vma, vmf->address, vmf->pud, pfn, + vmf->flags & FAULT_FLAG_WRITE); +} +#else +static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) +{ + return VM_FAULT_FALLBACK; } +#endif /* !CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */ -static int dax_dev_pmd_fault(struct vm_area_struct *vma, unsigned long addr, - pmd_t *pmd, unsigned int flags) +static int dax_dev_huge_fault(struct vm_fault *vmf, + enum page_entry_size pe_size) { int rc; - struct file *filp = vma->vm_file; + struct file *filp = vmf->vma->vm_file; struct dax_dev *dax_dev = filp->private_data; dev_dbg(&dax_dev->dev, "%s: %s: %s (%#lx - %#lx)\n", __func__, - current->comm, (flags & FAULT_FLAG_WRITE) - ? "write" : "read", vma->vm_start, vma->vm_end); + current->comm, (vmf->flags & FAULT_FLAG_WRITE) + ? "write" : "read", + vmf->vma->vm_start, vmf->vma->vm_end); rcu_read_lock(); - rc = __dax_dev_pmd_fault(dax_dev, vma, addr, pmd, flags); + switch (pe_size) { + case PE_SIZE_PTE: + rc = __dax_dev_pte_fault(dax_dev, vmf); + break; + case PE_SIZE_PMD: + rc = __dax_dev_pmd_fault(dax_dev, vmf); + break; + case PE_SIZE_PUD: + rc = __dax_dev_pud_fault(dax_dev, vmf); + break; + default: + return VM_FAULT_FALLBACK; + } rcu_read_unlock(); return rc; } +static int dax_dev_fault(struct vm_fault *vmf) +{ + return dax_dev_huge_fault(vmf, PE_SIZE_PTE); +} + static const struct vm_operations_struct dax_dev_vm_ops = { .fault = dax_dev_fault, - .pmd_fault = dax_dev_pmd_fault, + .huge_fault = dax_dev_huge_fault, }; static int dax_mmap(struct file *filp, struct vm_area_struct *vma) diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 560d416deab2..1597458d884e 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -14,14 +14,15 @@ #include <drm/armada_drm.h> #include "armada_ioctlP.h" -static int armada_gem_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int armada_gem_vm_fault(struct vm_fault *vmf) { - struct armada_gem_object *obj = drm_to_armada_gem(vma->vm_private_data); + struct drm_gem_object *gobj = vmf->vma->vm_private_data; + struct armada_gem_object *obj = drm_to_armada_gem(gobj); unsigned long pfn = obj->phys_addr >> PAGE_SHIFT; int ret; - pfn += (vmf->address - vma->vm_start) >> PAGE_SHIFT; - ret = vm_insert_pfn(vma, vmf->address, pfn); + pfn += (vmf->address - vmf->vma->vm_start) >> PAGE_SHIFT; + ret = vm_insert_pfn(vmf->vma, vmf->address, pfn); switch (ret) { case 0: diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index bd311c77c254..1170b3209a12 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -96,8 +96,9 @@ static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma) * map, get the page, increment the use count and return it. */ #if IS_ENABLED(CONFIG_AGP) -static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; struct drm_local_map *map = NULL; @@ -168,7 +169,7 @@ vm_fault_error: return VM_FAULT_SIGBUS; /* Disallow mremap */ } #else -static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_fault(struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } @@ -184,8 +185,9 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * Get the mapping, find the real physical page to map, get the page, and * return it. */ -static int drm_do_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_shm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_local_map *map = vma->vm_private_data; unsigned long offset; unsigned long i; @@ -280,14 +282,14 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) /** * \c fault method for DMA virtual memory. * - * \param vma virtual memory area. * \param address access address. * \return pointer to the page structure. * * Determine the page number from the page offset and get it from drm_device_dma::pagelist. */ -static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_dma_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; struct drm_device_dma *dma = dev->dma; @@ -315,14 +317,14 @@ static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) /** * \c fault method for scatter-gather virtual memory. * - * \param vma virtual memory area. * \param address access address. * \return pointer to the page structure. * * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. */ -static int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_sg_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_local_map *map = vma->vm_private_data; struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; @@ -347,26 +349,6 @@ static int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return 0; } -static int drm_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - return drm_do_vm_fault(vma, vmf); -} - -static int drm_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - return drm_do_vm_shm_fault(vma, vmf); -} - -static int drm_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - return drm_do_vm_dma_fault(vma, vmf); -} - -static int drm_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - return drm_do_vm_sg_fault(vma, vmf); -} - /** AGP virtual memory operations */ static const struct vm_operations_struct drm_vm_ops = { .fault = drm_vm_fault, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index c255eda40526..e41f38667c1c 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -73,7 +73,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, struct drm_file *file); int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int etnaviv_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int etnaviv_gem_fault(struct vm_fault *vmf); int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset); struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj); void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index aa6e35ddc87f..e78f1406885d 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -175,8 +175,9 @@ int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma) return obj->ops->mmap(obj, vma); } -int etnaviv_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int etnaviv_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct page **pages, *page; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 57b81460fec8..4c28f7ffcc4d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -447,8 +447,9 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv, return ret; } -int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int exynos_drm_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj); unsigned long pfn; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index df7c543d6558..85457255fcd1 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -116,7 +116,7 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv, uint64_t *offset); /* page fault handler and mmap fault address(virtual) to physical memory. */ -int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int exynos_drm_gem_fault(struct vm_fault *vmf); /* set vm_flags and we can change the vm attribute to other one at here. */ int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index da42d2e1d397..ffe6b4ffa1a8 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -111,8 +111,9 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } -static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int psbfb_vm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct psb_framebuffer *psbfb = vma->vm_private_data; struct drm_device *dev = psbfb->base.dev; struct drm_psb_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index 527c62917660..7da061aab729 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -164,8 +164,9 @@ int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, * vma->vm_private_data points to the GEM object that is backing this * mapping. */ -int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int psb_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj; struct gtt_range *r; int ret; diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index 05d7aaf47eea..83e22fd4cfc0 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -752,7 +752,7 @@ extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); -extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +extern int psb_gem_fault(struct vm_fault *vmf); /* psb_device.c */ extern const struct psb_ops psb_chip_ops; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bcc81912b5e5..0a4b42d31391 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3352,7 +3352,7 @@ int __must_check i915_gem_wait_for_idle(struct drm_i915_private *dev_priv, unsigned int flags); int __must_check i915_gem_suspend(struct drm_i915_private *dev_priv); void i915_gem_resume(struct drm_i915_private *dev_priv); -int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int i915_gem_fault(struct vm_fault *vmf); int i915_gem_object_wait(struct drm_i915_gem_object *obj, unsigned int flags, long timeout, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 88f3628b4e29..6908123162d1 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1772,7 +1772,6 @@ compute_partial_view(struct drm_i915_gem_object *obj, /** * i915_gem_fault - fault a page into the GTT - * @area: CPU VMA in question * @vmf: fault info * * The fault handler is set up by drm_gem_mmap() when a object is GTT mapped @@ -1789,9 +1788,10 @@ compute_partial_view(struct drm_i915_gem_object *obj, * The current feature set supported by i915_gem_fault() and thus GTT mmaps * is exposed via I915_PARAM_MMAP_GTT_VERSION (see i915_gem_mmap_gtt_version). */ -int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf) +int i915_gem_fault(struct vm_fault *vmf) { #define MIN_CHUNK_PAGES ((1 << 20) >> PAGE_SHIFT) /* 1 MiB */ + struct vm_area_struct *area = vmf->vma; struct drm_i915_gem_object *obj = to_intel_bo(area->vm_private_data); struct drm_device *dev = obj->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index cdd7b2f8e977..c3b14876edaa 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -206,7 +206,7 @@ void msm_gem_shrinker_cleanup(struct drm_device *dev); int msm_gem_mmap_obj(struct drm_gem_object *obj, struct vm_area_struct *vma); int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int msm_gem_fault(struct vm_fault *vmf); uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, uint64_t *iova); diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index e140b05af134..59811f29607d 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -191,8 +191,9 @@ int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma) return msm_gem_mmap_obj(vma->vm_private_data, vma); } -int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int msm_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct drm_device *dev = obj->dev; struct msm_drm_private *priv = dev->dev_private; diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index 36d93ce84a29..65977982f15f 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -188,7 +188,7 @@ int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); int omap_gem_mmap_obj(struct drm_gem_object *obj, struct vm_area_struct *vma); -int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int omap_gem_fault(struct vm_fault *vmf); int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 74a9968df421..5d5a9f517c30 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -518,7 +518,6 @@ static int fault_2d(struct drm_gem_object *obj, /** * omap_gem_fault - pagefault handler for GEM objects - * @vma: the VMA of the GEM object * @vmf: fault detail * * Invoked when a fault occurs on an mmap of a GEM managed area. GEM @@ -529,8 +528,9 @@ static int fault_2d(struct drm_gem_object *obj, * vma->vm_private_data points to the GEM object that is backing this * mapping. */ -int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int omap_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct omap_gem_object *omap_obj = to_omap_bo(obj); struct drm_device *dev = obj->dev; diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index 4e1a40389964..7d1cab57c89e 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -105,15 +105,15 @@ static void qxl_ttm_global_fini(struct qxl_device *qdev) static struct vm_operations_struct qxl_ttm_vm_ops; static const struct vm_operations_struct *ttm_vm_ops; -static int qxl_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int qxl_ttm_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo; int r; - bo = (struct ttm_buffer_object *)vma->vm_private_data; + bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data; if (bo == NULL) return VM_FAULT_NOPAGE; - r = ttm_vm_ops->fault(vma, vmf); + r = ttm_vm_ops->fault(vmf); return r; } diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 7a10b3852970..684f1703aa5c 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -979,19 +979,19 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) static struct vm_operations_struct radeon_ttm_vm_ops; static const struct vm_operations_struct *ttm_vm_ops = NULL; -static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int radeon_ttm_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo; struct radeon_device *rdev; int r; - bo = (struct ttm_buffer_object *)vma->vm_private_data; + bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data; if (bo == NULL) { return VM_FAULT_NOPAGE; } rdev = radeon_get_rdev(bo->bdev); down_read(&rdev->pm.mclk_lock); - r = ttm_vm_ops->fault(vma, vmf); + r = ttm_vm_ops->fault(vmf); up_read(&rdev->pm.mclk_lock); return r; } diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index b523a5d4a38c..17e62ecb5d4d 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -441,8 +441,9 @@ int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, return 0; } -static int tegra_bo_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int tegra_bo_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *gem = vma->vm_private_data; struct tegra_bo *bo = to_tegra_bo(gem); struct page *page; diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 68ef993ab431..247986a1d097 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -43,7 +43,6 @@ #define TTM_BO_VM_NUM_PREFAULT 16 static int ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, - struct vm_area_struct *vma, struct vm_fault *vmf) { int ret = 0; @@ -66,7 +65,7 @@ static int ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, if (vmf->flags & FAULT_FLAG_RETRY_NOWAIT) goto out_unlock; - up_read(&vma->vm_mm->mmap_sem); + up_read(&vmf->vma->vm_mm->mmap_sem); (void) dma_fence_wait(bo->moving, true); goto out_unlock; } @@ -89,8 +88,9 @@ out_unlock: return ret; } -static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ttm_bo_vm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct ttm_buffer_object *bo = (struct ttm_buffer_object *) vma->vm_private_data; struct ttm_bo_device *bdev = bo->bdev; @@ -163,7 +163,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * Wait for buffer data in transit, due to a pipelined * move. */ - ret = ttm_bo_vm_fault_idle(bo, vma, vmf); + ret = ttm_bo_vm_fault_idle(bo, vmf); if (unlikely(ret != 0)) { retval = ret; goto out_unlock; diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index 6c4286e57362..2a75ab80527a 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -134,7 +134,7 @@ void udl_gem_put_pages(struct udl_gem_object *obj); int udl_gem_vmap(struct udl_gem_object *obj); void udl_gem_vunmap(struct udl_gem_object *obj); int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int udl_gem_fault(struct vm_fault *vmf); int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, int width, int height); diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 3c0c4bd3f750..775c50e4f02c 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -100,8 +100,9 @@ int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) return ret; } -int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int udl_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data); struct page *page; unsigned int page_offset; diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 477e07f0ecb6..7ccbb03e98de 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -50,8 +50,9 @@ static void vgem_gem_free_object(struct drm_gem_object *obj) kfree(vgem_obj); } -static int vgem_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int vgem_gem_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct drm_vgem_gem_object *obj = vma->vm_private_data; /* We don't use vmf->pgoff since that has the fake offset */ unsigned long vaddr = vmf->address; diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c index 9cc7079f7aca..70ec8ca8d9b1 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -114,18 +114,17 @@ static void virtio_gpu_ttm_global_fini(struct virtio_gpu_device *vgdev) static struct vm_operations_struct virtio_gpu_ttm_vm_ops; static const struct vm_operations_struct *ttm_vm_ops; -static int virtio_gpu_ttm_fault(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int virtio_gpu_ttm_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo; struct virtio_gpu_device *vgdev; int r; - bo = (struct ttm_buffer_object *)vma->vm_private_data; + bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data; if (bo == NULL) return VM_FAULT_NOPAGE; vgdev = virtio_gpu_get_vgdev(bo->bdev); - r = ttm_vm_ops->fault(vma, vmf); + r = ttm_vm_ops->fault(vmf); return r; } #endif diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c index 3deef6cc7d7c..7175e6bedf21 100644 --- a/drivers/hsi/clients/cmt_speech.c +++ b/drivers/hsi/clients/cmt_speech.c @@ -1098,9 +1098,9 @@ static void cs_hsi_stop(struct cs_hsi_iface *hi) kfree(hi); } -static int cs_char_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int cs_char_vma_fault(struct vm_fault *vmf) { - struct cs_char *csdata = vma->vm_private_data; + struct cs_char *csdata = vmf->vma->vm_private_data; struct page *page; page = virt_to_page(csdata->mmap_base); diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index e8d55a153a65..e88afe1a435c 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -1188,9 +1188,9 @@ static void msc_mmap_close(struct vm_area_struct *vma) mutex_unlock(&msc->buf_mutex); } -static int msc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int msc_mmap_fault(struct vm_fault *vmf) { - struct msc_iter *iter = vma->vm_file->private_data; + struct msc_iter *iter = vmf->vma->vm_file->private_data; struct msc *msc = iter->msc; vmf->page = msc_buffer_get_page(msc, vmf->pgoff); @@ -1198,7 +1198,7 @@ static int msc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_SIGBUS; get_page(vmf->page); - vmf->page->mapping = vma->vm_file->f_mapping; + vmf->page->mapping = vmf->vma->vm_file->f_mapping; vmf->page->index = vmf->pgoff; return 0; diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index bd786b7bd30b..f46033984d07 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -92,7 +92,7 @@ static unsigned int poll_next(struct file *, struct poll_table_struct *); static int user_event_ack(struct hfi1_ctxtdata *, int, unsigned long); static int set_ctxt_pkey(struct hfi1_ctxtdata *, unsigned, u16); static int manage_rcvq(struct hfi1_ctxtdata *, unsigned, int); -static int vma_fault(struct vm_area_struct *, struct vm_fault *); +static int vma_fault(struct vm_fault *); static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, unsigned long arg); @@ -695,7 +695,7 @@ done: * Local (non-chip) user memory is not mapped right away but as it is * accessed by the user-level code. */ -static int vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int vma_fault(struct vm_fault *vmf) { struct page *page; diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 2d1eacf1dfed..9396c1807cc3 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -893,7 +893,7 @@ bail: /* * qib_file_vma_fault - handle a VMA page fault. */ -static int qib_file_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int qib_file_vma_fault(struct vm_fault *vmf) { struct page *page; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 1b5b8c5361c5..09bd3b290bb8 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2672,7 +2672,7 @@ static void *alloc_coherent(struct device *dev, size_t size, return NULL; page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT, - get_order(size)); + get_order(size), flag); if (!page) return NULL; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index f5e02f8e7371..a8f7ae0eb7a4 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3829,7 +3829,7 @@ static void *intel_alloc_coherent(struct device *dev, size_t size, if (gfpflags_allow_blocking(flags)) { unsigned int count = size >> PAGE_SHIFT; - page = dma_alloc_from_contiguous(dev, count, order); + page = dma_alloc_from_contiguous(dev, count, order, flags); if (page && iommu_no_mapping(dev) && page_to_phys(page) + size > dev->coherent_dma_mask) { dma_release_from_contiguous(dev, page, count); diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index ba63ca57ed7e..36bd904946bd 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -434,8 +434,9 @@ static void videobuf_vm_close(struct vm_area_struct *vma) * now ...). Bounce buffers don't work very well for the data rates * video capture has. */ -static int videobuf_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int videobuf_vm_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct page *page; dprintk(3, "fault: fault @ %08lx [vma %08lx-%08lx]\n", diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index 3907387b6d15..062bf6ca2625 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -121,8 +121,9 @@ void cxl_context_set_mapping(struct cxl_context *ctx, mutex_unlock(&ctx->mapping_lock); } -static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int cxl_mmap_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct cxl_context *ctx = vma->vm_file->private_data; u64 area, offset; diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index af2e077da4b8..3641f1334cf0 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -926,8 +926,9 @@ again: * * Note: gru segments alway mmaped on GRU_GSEG_PAGESIZE boundaries. */ -int gru_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int gru_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct gru_thread_state *gts; unsigned long paddr, vaddr; unsigned long expires; diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 5c3ce2459675..b5e308b50ed1 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -665,7 +665,7 @@ extern unsigned long gru_reserve_cb_resources(struct gru_state *gru, int cbr_au_count, char *cbmap); extern unsigned long gru_reserve_ds_resources(struct gru_state *gru, int dsr_au_count, char *dsmap); -extern int gru_fault(struct vm_area_struct *, struct vm_fault *vmf); +extern int gru_fault(struct vm_fault *vmf); extern struct gru_mm_struct *gru_register_mmu_notifier(void); extern void gru_drop_mmu_notifier(struct gru_mm_struct *gms); diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index d390b9663dc3..57e6cef81ebe 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -914,7 +914,7 @@ static void ioc3_alloc_rings(struct net_device *dev) skb = ioc3_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); if (!skb) { - show_free_areas(0); + show_free_areas(0, NULL); continue; } diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 6c033c9a2f06..00b4071cab8d 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -538,7 +538,7 @@ static struct vmem_altmap *__nvdimm_setup_pfn(struct nd_pfn *nd_pfn, nd_pfn->npfns = le64_to_cpu(pfn_sb->npfns); altmap = NULL; } else if (nd_pfn->mode == PFN_MODE_PMEM) { - nd_pfn->npfns = (resource_size(res) - offset) / PAGE_SIZE; + nd_pfn->npfns = PHYS_PFN((resource_size(res) - offset)); if (le64_to_cpu(nd_pfn->pfn_sb->npfns) > nd_pfn->npfns) dev_info(&nd_pfn->dev, "number of pfns truncated from %lld to %ld\n", @@ -557,7 +557,6 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) { u32 dax_label_reserve = is_nd_dax(&nd_pfn->dev) ? SZ_128K : 0; struct nd_namespace_common *ndns = nd_pfn->ndns; - u32 start_pad = 0, end_trunc = 0; resource_size_t start, size; struct nd_namespace_io *nsio; struct nd_region *nd_region; @@ -590,42 +589,16 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) return -ENXIO; } - memset(pfn_sb, 0, sizeof(*pfn_sb)); - - /* - * Check if pmem collides with 'System RAM' when section aligned and - * trim it accordingly - */ - nsio = to_nd_namespace_io(&ndns->dev); - start = PHYS_SECTION_ALIGN_DOWN(nsio->res.start); - size = resource_size(&nsio->res); - if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM, - IORES_DESC_NONE) == REGION_MIXED) { - start = nsio->res.start; - start_pad = PHYS_SECTION_ALIGN_UP(start) - start; - } - - start = nsio->res.start; - size = PHYS_SECTION_ALIGN_UP(start + size) - start; - if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM, - IORES_DESC_NONE) == REGION_MIXED) { - size = resource_size(&nsio->res); - end_trunc = start + size - PHYS_SECTION_ALIGN_DOWN(start + size); - } - - if (start_pad + end_trunc) - dev_info(&nd_pfn->dev, "%s section collision, truncate %d bytes\n", - dev_name(&ndns->dev), start_pad + end_trunc); - /* * Note, we use 64 here for the standard size of struct page, * debugging options may cause it to be larger in which case the * implementation will limit the pfns advertised through * ->direct_access() to those that are included in the memmap. */ - start += start_pad; + nsio = to_nd_namespace_io(&ndns->dev); + start = nsio->res.start; size = resource_size(&nsio->res); - npfns = (size - start_pad - end_trunc - SZ_8K) / SZ_4K; + npfns = PHYS_PFN(size - SZ_8K); if (nd_pfn->mode == PFN_MODE_PMEM) { /* * vmemmap_populate_hugepages() allocates the memmap array in @@ -639,13 +612,14 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) else return -ENXIO; - if (offset + start_pad + end_trunc >= size) { + if (offset >= size) { dev_err(&nd_pfn->dev, "%s unable to satisfy requested alignment\n", dev_name(&ndns->dev)); return -ENXIO; } - npfns = (size - offset - start_pad - end_trunc) / SZ_4K; + memset(pfn_sb, 0, sizeof(*pfn_sb)); + npfns = PHYS_PFN(size - offset); pfn_sb->mode = cpu_to_le32(nd_pfn->mode); pfn_sb->dataoff = cpu_to_le64(offset); pfn_sb->npfns = cpu_to_le64(npfns); @@ -654,8 +628,6 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) memcpy(pfn_sb->parent_uuid, nd_dev_to_uuid(&ndns->dev), 16); pfn_sb->version_major = cpu_to_le16(1); pfn_sb->version_minor = cpu_to_le16(2); - pfn_sb->start_pad = cpu_to_le32(start_pad); - pfn_sb->end_trunc = cpu_to_le32(end_trunc); pfn_sb->align = cpu_to_le32(nd_pfn->align); checksum = nd_sb_checksum((struct nd_gen_sb *) pfn_sb); pfn_sb->checksum = cpu_to_le64(checksum); diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 9013a585507e..50b617af81bd 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -889,17 +889,16 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, goto err_req; } - down_read(¤t->mm->mmap_sem); - pinned = get_user_pages( + pinned = get_user_pages_unlocked( (unsigned long)xfer->loc_addr & PAGE_MASK, nr_pages, - dir == DMA_FROM_DEVICE ? FOLL_WRITE : 0, - page_list, NULL); - up_read(¤t->mm->mmap_sem); + page_list, + dir == DMA_FROM_DEVICE ? FOLL_WRITE : 0); if (pinned != nr_pages) { if (pinned < 0) { - rmcd_error("get_user_pages err=%ld", pinned); + rmcd_error("get_user_pages_unlocked err=%ld", + pinned); nr_pages = 0; } else rmcd_error("pinned %ld out of %ld pages", diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c index 90869cee2b20..ef5bf55f08a4 100644 --- a/drivers/scsi/cxlflash/superpipe.c +++ b/drivers/scsi/cxlflash/superpipe.c @@ -1053,7 +1053,6 @@ out: /** * cxlflash_mmap_fault() - mmap fault handler for adapter file descriptor - * @vma: VM area associated with mapping. * @vmf: VM fault associated with current fault. * * To support error notification via MMIO, faults are 'caught' by this routine @@ -1067,8 +1066,9 @@ out: * * Return: 0 on success, VM_FAULT_SIGBUS on failure */ -static int cxlflash_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int cxlflash_mmap_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct file *file = vma->vm_file; struct cxl_context *ctx = cxl_fops_get_context(file); struct cxlflash_cfg *cfg = container_of(file->f_op, struct cxlflash_cfg, @@ -1097,7 +1097,7 @@ static int cxlflash_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (likely(!ctxi->err_recovery_active)) { vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - rc = ctxi->cxl_mmap_vmops->fault(vma, vmf); + rc = ctxi->cxl_mmap_vmops->fault(vmf); } else { dev_dbg(dev, "%s: err recovery active, use err_page\n", __func__); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index e0e308b7e01a..f12e520923ea 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1185,8 +1185,9 @@ sg_fasync(int fd, struct file *filp, int mode) } static int -sg_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +sg_vma_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; Sg_fd *sfp; unsigned long offset, len, sa; Sg_scatter_hold *rsv_schp; diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 937c2d5d7ec3..2c3ffbcbd621 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -865,15 +865,14 @@ static void ion_buffer_sync_for_device(struct ion_buffer *buffer, list_for_each_entry(vma_list, &buffer->vmas, list) { struct vm_area_struct *vma = vma_list->vma; - zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start, - NULL); + zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start); } mutex_unlock(&buffer->lock); } -static int ion_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ion_vm_fault(struct vm_fault *vmf) { - struct ion_buffer *buffer = vma->vm_private_data; + struct ion_buffer *buffer = vmf->vma->vm_private_data; unsigned long pfn; int ret; @@ -882,7 +881,7 @@ static int ion_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) BUG_ON(!buffer->pages || !buffer->pages[vmf->pgoff]); pfn = page_to_pfn(ion_buffer_page(buffer->pages[vmf->pgoff])); - ret = vm_insert_pfn(vma, vmf->address, pfn); + ret = vm_insert_pfn(vmf->vma, vmf->address, pfn); mutex_unlock(&buffer->lock); if (ret) return VM_FAULT_ERROR; diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 9afa6bec3e6f..896196c74cd2 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -321,7 +321,7 @@ out: return fault_ret; } -static int ll_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ll_fault(struct vm_fault *vmf) { int count = 0; bool printed = false; @@ -335,7 +335,7 @@ static int ll_fault(struct vm_area_struct *vma, struct vm_fault *vmf) set = cfs_block_sigsinv(sigmask(SIGKILL) | sigmask(SIGTERM)); restart: - result = ll_fault0(vma, vmf); + result = ll_fault0(vmf->vma, vmf); LASSERT(!(result & VM_FAULT_LOCKED)); if (result == 0) { struct page *vmpage = vmf->page; @@ -362,8 +362,9 @@ restart: return result; } -static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ll_page_mkwrite(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; int count = 0; bool printed = false; bool retry; diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c index 3e9cf710501b..4c57755e06e7 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_io.c +++ b/drivers/staging/lustre/lustre/llite/vvp_io.c @@ -1014,7 +1014,7 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio) { struct vm_fault *vmf = cfio->ft_vmf; - cfio->ft_flags = filemap_fault(cfio->ft_vma, vmf); + cfio->ft_flags = filemap_fault(vmf); cfio->ft_flags_valid = 1; if (vmf->page) { diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 18f0ec2e1f9c..c3adefe95e50 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -781,15 +781,15 @@ static int tcmu_find_mem_index(struct vm_area_struct *vma) return -1; } -static int tcmu_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int tcmu_vma_fault(struct vm_fault *vmf) { - struct tcmu_dev *udev = vma->vm_private_data; + struct tcmu_dev *udev = vmf->vma->vm_private_data; struct uio_info *info = &udev->uio_info; struct page *page; unsigned long offset; void *addr; - int mi = tcmu_find_mem_index(vma); + int mi = tcmu_find_mem_index(vmf->vma); if (mi < 0) return VM_FAULT_SIGBUS; diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 701c085bb19b..71136742e606 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -317,7 +317,7 @@ static struct sysrq_key_op sysrq_ftrace_dump_op = { static void sysrq_handle_showmem(int key) { - show_mem(0); + show_mem(0, NULL); } static struct sysrq_key_op sysrq_showmem_op = { .handler = sysrq_handle_showmem, diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index 3dd6a491cdba..397e1509fe51 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -572,7 +572,7 @@ static void fn_scroll_back(struct vc_data *vc) static void fn_show_mem(struct vc_data *vc) { - show_mem(0); + show_mem(0, NULL); } static void fn_show_state(struct vc_data *vc) diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index fba021f5736a..31d95dc9c202 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -597,14 +597,14 @@ static int uio_find_mem_index(struct vm_area_struct *vma) return -1; } -static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int uio_vma_fault(struct vm_fault *vmf) { - struct uio_device *idev = vma->vm_private_data; + struct uio_device *idev = vmf->vma->vm_private_data; struct page *page; unsigned long offset; void *addr; - int mi = uio_find_mem_index(vma); + int mi = uio_find_mem_index(vmf->vma); if (mi < 0) return VM_FAULT_SIGBUS; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 91c22276c03b..9fb8b1e6ecc2 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1223,9 +1223,9 @@ static void mon_bin_vma_close(struct vm_area_struct *vma) /* * Map ring pages to user space. */ -static int mon_bin_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int mon_bin_vma_fault(struct vm_fault *vmf) { - struct mon_reader_bin *rp = vma->vm_private_data; + struct mon_reader_bin *rp = vmf->vma->vm_private_data; unsigned long offset, chunk_idx; struct page *pageptr; diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 74b5bcac8bf2..37f69c061210 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -37,12 +37,11 @@ static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs } /* this is to find and return the vmalloc-ed fb pages */ -static int fb_deferred_io_fault(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int fb_deferred_io_fault(struct vm_fault *vmf) { unsigned long offset; struct page *page; - struct fb_info *info = vma->vm_private_data; + struct fb_info *info = vmf->vma->vm_private_data; offset = vmf->pgoff << PAGE_SHIFT; if (offset >= info->fix.smem_len) @@ -54,8 +53,8 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma, get_page(page); - if (vma->vm_file) - page->mapping = vma->vm_file->f_mapping; + if (vmf->vma->vm_file) + page->mapping = vmf->vma->vm_file->f_mapping; else printk(KERN_ERR "no mapping available\n"); @@ -91,11 +90,10 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); /* vm_ops->page_mkwrite handler */ -static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int fb_deferred_io_mkwrite(struct vm_fault *vmf) { struct page *page = vmf->page; - struct fb_info *info = vma->vm_private_data; + struct fb_info *info = vmf->vma->vm_private_data; struct fb_deferred_io *fbdefio = info->fbdefio; struct page *cur; @@ -105,7 +103,7 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, deferred framebuffer IO. then if userspace touches a page again, we repeat the same scheme */ - file_update_time(vma->vm_file); + file_update_time(vmf->vma->vm_file); /* protect against the workqueue changing the page list */ mutex_lock(&fbdefio->lock); diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 2077a3ac7c0c..7a92a5e1d40c 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -804,10 +804,10 @@ static void privcmd_close(struct vm_area_struct *vma) kfree(pages); } -static int privcmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int privcmd_fault(struct vm_fault *vmf) { printk(KERN_DEBUG "privcmd_fault: vma=%p %lx-%lx, pgoff=%lx, uv=%p\n", - vma, vma->vm_start, vma->vm_end, + vmf->vma, vmf->vma->vm_start, vmf->vma->vm_end, vmf->pgoff, (void *)vmf->address); return VM_FAULT_SIGBUS; |