diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-03-22 14:46:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-22 15:57:09 -0700 |
| commit | 531037a06518094aba283194aa0d4808b0c47656 (patch) | |
| tree | 0946eda68751489ef9197dcac8b0d9a24d3b002f /mm | |
| parent | da358d5c0e589a7a594551951a9631091e5479b6 (diff) | |
| download | linux-531037a06518094aba283194aa0d4808b0c47656.tar.bz2 | |
mm/madvise: use vma_lookup() instead of find_vma()
Using vma_lookup() verifies the start address is contained in the found
vma. This results in easier to read the code.
Link: https://lkml.kernel.org/r/20220311082731.63513-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/madvise.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 7b5d6fc99a90..2efcde2d7e4c 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -849,8 +849,8 @@ static long madvise_populate(struct vm_area_struct *vma, * our VMA might have been split. */ if (!vma || start >= vma->vm_end) { - vma = find_vma(mm, start); - if (!vma || start < vma->vm_start) + vma = vma_lookup(mm, start); + if (!vma) return -ENOMEM; } |