[patch 042/118] mm/rmap: fix obsolete comment in __page_check_anon_rmap()
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2021-02-26 01:25:20
Also in:
mm-commits
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/rmap: fix obsolete comment in __page_check_anon_rmap()
Commit 21333b2b66b8 ("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>
---
mm/rmap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/rmap.c~mm-rmap-fix-obsolete-comment-in-__page_check_anon_rmap
+++ a/mm/rmap.c@@ -1086,8 +1086,7 @@ static void __page_check_anon_rmap(struc * 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
_