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authorMiaohe Lin <linmiaohe@huawei.com>2021-02-25 17:18:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-26 09:41:01 -0800
commitad8a20cf6d19a9506b4a554030bafc1ac204ef31 (patch)
tree63413325b5b24823bed0fd2fdf2f7a61d529ba57 /mm
parentb7e188ec98b1644ff70a6d3624ea16aadc39f5e0 (diff)
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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.c4
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).