diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/mmap.c | 2 | ||||
-rw-r--r-- | mm/nommu.c | 2 |
2 files changed, 2 insertions, 2 deletions
@@ -1940,7 +1940,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) | |||
1940 | 1940 | ||
1941 | /* Check the cache first. */ | 1941 | /* Check the cache first. */ |
1942 | /* (Cache hit rate is typically around 35%.) */ | 1942 | /* (Cache hit rate is typically around 35%.) */ |
1943 | vma = mm->mmap_cache; | 1943 | vma = ACCESS_ONCE(mm->mmap_cache); |
1944 | if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) { | 1944 | if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) { |
1945 | struct rb_node *rb_node; | 1945 | struct rb_node *rb_node; |
1946 | 1946 | ||
diff --git a/mm/nommu.c b/mm/nommu.c index e19328087534..2f3ea749c318 100644 --- a/mm/nommu.c +++ b/mm/nommu.c | |||
@@ -821,7 +821,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) | |||
821 | struct vm_area_struct *vma; | 821 | struct vm_area_struct *vma; |
822 | 822 | ||
823 | /* check the cache first */ | 823 | /* check the cache first */ |
824 | vma = mm->mmap_cache; | 824 | vma = ACCESS_ONCE(mm->mmap_cache); |
825 | if (vma && vma->vm_start <= addr && vma->vm_end > addr) | 825 | if (vma && vma->vm_start <= addr && vma->vm_end > addr) |
826 | return vma; | 826 | return vma; |
827 | 827 | ||