There is no cgroup-specific page lock anymore.
Signed-off-by: Johannes Weiner <han...@cmpxchg.org>
---
mm/memcontrol.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 38f0647a2f12..d20928597a07 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2467,10 +2467,6 @@ static void commit_charge(struct page *page, struct
mem_cgroup *memcg,
int isolated;
VM_BUG_ON_PAGE(pc->mem_cgroup, page);
- /*
- * we don't need page_cgroup_lock about tail pages, becase they are not
- * accessed by any other context at this point.
- */
/*
* In some cases, SwapCache and FUSE(splice_buf->radixtree), the page
--
2.1.3
--
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