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path: root/drivers/android/binder.c
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Diffstat (limited to 'drivers/android/binder.c')
-rw-r--r--drivers/android/binder.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 33b09b6568a4..6607f3c6ace1 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -551,7 +551,6 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
{
void *page_addr;
unsigned long user_page_addr;
- struct vm_struct tmp_area;
struct page **page;
struct mm_struct *mm;
@@ -600,10 +599,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
proc->pid, page_addr);
goto err_alloc_page_failed;
}
- tmp_area.addr = page_addr;
- tmp_area.size = PAGE_SIZE + PAGE_SIZE /* guard page? */;
- ret = map_vm_area(&tmp_area, PAGE_KERNEL, page);
- if (ret) {
+ ret = map_kernel_range_noflush((unsigned long)page_addr,
+ PAGE_SIZE, PAGE_KERNEL, page);
+ flush_cache_vmap((unsigned long)page_addr,
+ (unsigned long)page_addr + PAGE_SIZE);
+ if (ret != 1) {
pr_err("%d: binder_alloc_buf failed to map page at %p in kernel\n",
proc->pid, page_addr);
goto err_map_kernel_failed;