Commit 90aaca85 authored Feb 25, 2021 by Miaohe Lin Committed by Linus Torvalds Feb 26, 2021

mm/rmap: fix obsolete comment in __page_check_anon_rmap()

Commit 21333b2b ("ksm: no debug in page_dup_rmap()") has reverted
page_dup_rmap() to an inline atomic_inc of mapcount.  So page_dup_rmap()
does not call __page_check_anon_rmap() anymore.

Link: https://lkml.kernel.org/r/20210128110209.50857-1-linmiaohe@huawei.com


Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent e0af87ff

mm/rmap.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1086,8 +1086,7 @@ static void __page_check_anon_rmap(struct page *page,
		* be set up correctly at this point.
		*
		* We have exclusion against page_add_anon_rmap because the caller
		* always holds the page locked, except if called from page_dup_rmap,
		* in which case the page is already known to be setup.
		* always holds the page locked.
		*
		* We have exclusion against page_add_new_anon_rmap because those pages
		* are initially only visible via the pagetables, and the pte is locked