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@xxxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxx> > --- > 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>