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authorAlex Shi <[email protected]>2020-12-14 19:07:10 -0800
committerLinus Torvalds <[email protected]>2020-12-15 12:13:40 -0800
commit7f41506baa052c95f9a72e17472f3dfceba2a10b (patch)
treed059ccf4dab80ddbe4f93e2155f70cb381545c18
parent5ab92901fea9c96ff210e22eac9e6680233009c7 (diff)
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/[email protected] Signed-off-by: Alex Shi <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Vladimir Davydov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/memcontrol.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 13e3869867dd..0083b69b5cac 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6903,7 +6903,6 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage)
if (newpage->mem_cgroup)
return;
- /* Swapcache readahead pages can get replaced before being charged */
memcg = oldpage->mem_cgroup;
if (!memcg)
return;