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| author | Miaohe Lin <linmiaohe@huawei.com> | 2021-02-25 17:18:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-26 09:41:01 -0800 |
| commit | ad8a20cf6d19a9506b4a554030bafc1ac204ef31 (patch) | |
| tree | 63413325b5b24823bed0fd2fdf2f7a61d529ba57 /mm | |
| parent | b7e188ec98b1644ff70a6d3624ea16aadc39f5e0 (diff) | |
| download | lwn-ad8a20cf6d19a9506b4a554030bafc1ac204ef31.tar.gz lwn-ad8a20cf6d19a9506b4a554030bafc1ac204ef31.zip | |
mm/rmap: correct obsolete comment of page_get_anon_vma()
Since commit 746b18d421da ("mm: use refcounts for page_lock_anon_vma()"),
page_lock_anon_vma() is renamed to page_get_anon_vma() and converted to
return a refcount increased anon_vma. But it forgot to change the
relevant comment.
Link: https://lkml.kernel.org/r/20210203093215.31990-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
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/rmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index b49e85605f8f..b0fc27e77d6d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -462,8 +462,8 @@ void __init anon_vma_init(void) * Getting a lock on a stable anon_vma from a page off the LRU is tricky! * * Since there is no serialization what so ever against page_remove_rmap() - * the best this function can do is return a locked anon_vma that might - * have been relevant to this page. + * the best this function can do is return a refcount increased anon_vma + * that might have been relevant to this page. * * The page might have been remapped to a different anon_vma or the anon_vma * returned may already be freed (and even reused). |