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

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From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

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

--- 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;
_



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