diff mbox series

[070/200] mm/memcg: remove incorrect comment

Message ID 20201215030710.aPdVZvaxM%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [001/200] kthread: add kthread_work tracepoints | expand

Commit Message

Andrew Morton Dec. 15, 2020, 3:07 a.m. UTC 
From: Alex Shi <alex.shi@linux.alibaba.com>
Subject: mm/memcg: remove incorrect comment

Swapcache readahead pages are charged before being used, so it is unlikely
that they will be migrated before charging.  Remove the incorrect comment.

Link: https://lkml.kernel.org/r/1605864930-49405-1-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol.c |    1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

--- a/mm/memcontrol.c~mm-memcg-remove-incorrect-comments
+++ a/mm/memcontrol.c
@@ -6903,7 +6903,6 @@  void mem_cgroup_migrate(struct page *old
 	if (newpage->mem_cgroup)
 		return;
 
-	/* Swapcache readahead pages can get replaced before being charged */
 	memcg = oldpage->mem_cgroup;
 	if (!memcg)
 		return;