Messages in this thread | | | Date | Mon, 3 Nov 2014 16:28:48 +0100 | From | Michal Hocko <> | Subject | Re: [patch] mm: memcontrol: remove stale page_cgroup_lock comment |
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On Sat 01-11-14 23:14:20, Johannes Weiner wrote: > There is no cgroup-specific page lock anymore. > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
> --- > 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 >
-- Michal Hocko SUSE Labs
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