Commit ad8a20cf authored Feb 25, 2021 by Miaohe Lin Committed by Linus Torvalds Feb 26, 2021

mm/rmap: correct obsolete comment of page_get_anon_vma()

Since commit 746b18d4 ("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>

parent b7e188ec

mm/rmap.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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).