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memcg: remove nid and zid argument from mem_cgroup_soft_limit_reclaim()

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mem_cgroup_soft_limit_reclaim() has zone, nid and zid argument.  but nid
and zid can be calculated from zone.  So remove it.

Signed-off-by: KOSAKI Motohiro <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: Nishimura Daisuke <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
KOSAKI Motohiro 2010-08-10 18:03:05 -07:00 • committed by Linus Torvalds
commit 00918b6ab8
3 changed files with 6 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

5
mm/memcontrol.c
View file

@ -2865,8 +2865,7 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
}
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid,
int zid)
gfp_t gfp_mask)
{
unsigned long nr_reclaimed = 0;
struct mem_cgroup_per_zone *mz, *next_mz = NULL;
@ -2878,7 +2877,7 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
if (order > 0)
return 0;
mctz = soft_limit_tree_node_zone(nid, zid);
mctz = soft_limit_tree_node_zone(zone_to_nid(zone), zone_idx(zone));
/*
* This loop can run a while, specially if mem_cgroup's continuously
* keep exceeding their soft limit and putting the system under

7
mm/vmscan.c
View file

@ -2168,7 +2168,6 @@ loop_again:
for (i = 0; i <= end_zone; i++) {
struct zone *zone = pgdat->node_zones + i;
int nr_slab;
int nid, zid;
if (!populated_zone(zone))
continue;
@ -2178,14 +2177,12 @@ loop_again:
sc.nr_scanned = 0;
nid = pgdat->node_id;
zid = zone_idx(zone);
/*
* Call soft limit reclaim before calling shrink_zone.
* For now we ignore the return value
*/
mem_cgroup_soft_limit_reclaim(zone, order, sc.gfp_mask,
nid, zid);
mem_cgroup_soft_limit_reclaim(zone, order, sc.gfp_mask);
/*
* We put equal pressure on every zone, unless one
* zone has way too many pages free already.