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mm: memcontrol: replace mem_cgroup_lruvec_online with mem_cgroup_online

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mem_cgroup_lruvec_online() takes lruvec, but it only needs memcg.  Since
get_scan_count(), which is the only user of this function, now possesses
pointer to memcg, let's pass memcg directly to mem_cgroup_online() instead
of picking it out of lruvec and rename the function accordingly.

Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vladimir Davydov
2016-01-20 15:03:02 -08:00
committed by Linus Torvalds
parent 3337767850
commit eb01aaab43
2 changed files with 11 additions and 18 deletions
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2
mm/vmscan.c
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@@ -1997,7 +1997,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
if (current_is_kswapd()) {
if (!zone_reclaimable(zone))
force_scan = true;
if (!mem_cgroup_lruvec_online(lruvec))
if (!mem_cgroup_online(memcg))
force_scan = true;
}
if (!global_reclaim(sc))