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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 <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Vladimir Davydov 2016-01-20 15:03:02 -08:00 • committed by Linus Torvalds
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))