Messages in this thread Patch in this message | | | From | Alex Shi <> | Subject | [PATCH next-akpm] mm/memcg: remove incorrect comments | Date | Fri, 20 Nov 2020 17:35:30 +0800 |
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Swapcache readahead pages are charged before get used, so it unlikely be migrated before charged. remove the incorrect comments.
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> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: cgroups@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/memcontrol.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 45465c03a8d7..08c267305725 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -6941,7 +6941,6 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage) if (page_memcg(newpage)) return; - /* Swapcache readahead pages can get replaced before being charged */ memcg = page_memcg(oldpage); VM_WARN_ON_ONCE_PAGE(!memcg, oldpage); if (!memcg) -- 2.29.GIT
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