From d6fb008f420cef307359df454bf20768582540c2 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Wed, 8 Feb 2017 10:27:16 +1100 Subject: mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf ->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to take a vma and vmf parameter when the vma already resides in vmf. Remove the vma parameter to simplify things. Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang Reviewed-by: Ross Zwisler Cc: Theodore Ts'o Cc: Darrick J. Wong Cc: Matthew Wilcox Cc: Dave Hansen Cc: Christoph Hellwig Cc: Jan Kara Cc: Dan Williams Signed-off-by: Andrew Morton --- drivers/gpu/drm/drm_vm.c | 32 +++++++++++++++++--------------- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 3 ++- drivers/gpu/drm/exynos/exynos_drm_gem.c | 3 ++- drivers/gpu/drm/exynos/exynos_drm_gem.h | 2 +- drivers/gpu/drm/gma500/framebuffer.c | 3 ++- drivers/gpu/drm/gma500/gem.c | 3 ++- drivers/gpu/drm/gma500/psb_drv.h | 2 +- drivers/gpu/drm/i915/i915_drv.h | 2 +- drivers/gpu/drm/i915/i915_gem.c | 4 ++-- drivers/gpu/drm/msm/msm_drv.h | 2 +- drivers/gpu/drm/msm/msm_gem.c | 3 ++- drivers/gpu/drm/omapdrm/omap_gem.c | 4 ++-- drivers/gpu/drm/qxl/qxl_ttm.c | 6 +++--- drivers/gpu/drm/radeon/radeon_ttm.c | 6 +++--- drivers/gpu/drm/tegra/gem.c | 3 ++- drivers/gpu/drm/ttm/ttm_bo_vm.c | 8 ++++---- drivers/gpu/drm/udl/udl_drv.h | 2 +- drivers/gpu/drm/udl/udl_gem.c | 3 ++- drivers/gpu/drm/vgem/vgem_drv.c | 3 ++- drivers/gpu/drm/virtio/virtgpu_ttm.c | 7 +++---- 20 files changed, 55 insertions(+), 46 deletions(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index bd311c77c254..bae6e26038ee 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_do_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_do_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_do_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_do_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_do_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; @@ -347,24 +349,24 @@ 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) +static int drm_vm_fault(struct vm_fault *vmf) { - return drm_do_vm_fault(vma, vmf); + return drm_do_vm_fault(vmf); } -static int drm_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_shm_fault(struct vm_fault *vmf) { - return drm_do_vm_shm_fault(vma, vmf); + return drm_do_vm_shm_fault(vmf); } -static int drm_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_dma_fault(struct vm_fault *vmf) { - return drm_do_vm_dma_fault(vma, vmf); + return drm_do_vm_dma_fault(vmf); } -static int drm_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int drm_vm_sg_fault(struct vm_fault *vmf) { - return drm_do_vm_sg_fault(vma, vmf); + return drm_do_vm_sg_fault(vmf); } /** AGP virtual memory operations */ diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 114dddbd297b..68157d97728e 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 8b44fa542562..71f7045455af 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 8493e19b563a..64f43999a2a1 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3105,7 +3105,7 @@ 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_device *dev); void i915_gem_resume(struct drm_device *dev); -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 4b23a7814713..dfc7833e1f7e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1756,7 +1756,6 @@ int i915_gem_mmap_gtt_version(void) /** * 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 @@ -1773,9 +1772,10 @@ int i915_gem_mmap_gtt_version(void) * 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 ed4dad3ca133..577079b6eaa7 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 8098677a3916..e8aa76cde055 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -192,8 +192,9 @@ 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_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 4a90c690f09e..f9a3cbb95a2f 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 11761330a6b8..060e3e879448 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -106,15 +106,15 @@ 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 0cf03ccbf0a7..fc583811a172 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 7d853e6b5ff0..9f34662f5140 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 f338a576efc8..06d8f3df4c39 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 4a1de9f81193..d9f7aaddc703 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 -- cgit v1.2.3