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
diff --git a/mm/mmap.c b/mm/mmap.c index 848ef52d9603..2add0a1a7aa6 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1619,7 +1619,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) if (mm) { /* Check the cache first. */ /* (Cache hit rate is typically around 35%.) */ - vma = mm->mmap_cache; + vma = ACCESS_ONCE(mm->mmap_cache); if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) { struct rb_node * rb_node; diff --git a/mm/nommu.c b/mm/nommu.c index bb8f4f004a82..b0956e39fd1c 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -807,7 +807,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) struct vm_area_struct *vma; /* check the cache first */ - vma = mm->mmap_cache; + vma = ACCESS_ONCE(mm->mmap_cache); if (vma && vma->vm_start <= addr && vma->vm_end > addr) return vma; |