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memcg: remove nid and zid argument from mem_cgroup_soft_limit_reclaim() 

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 <kosaki.motohiro@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Nishimura Daisuke <d-nishimura@mtf.biglobe.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro 2010-08-10 18:03:05 -07:00 committed by Linus Torvalds
parent 14fec79680
commit 00918b6ab8
3 changed files with 6 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/memcontrol.h
View File

@ -123,8 +123,7 @@ static inline bool mem_cgroup_disabled(void)
void mem_cgroup_update_file_mapped(struct page *page, int val);
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid,
int zid);
gfp_t gfp_mask);
u64 mem_cgroup_get_limit(struct mem_cgroup *mem);
#else /* CONFIG_CGROUP_MEM_RES_CTLR */
@ -301,7 +300,7 @@ static inline void mem_cgroup_update_file_mapped(struct page *page,
static inline
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid, int zid)
gfp_t gfp_mask)
{
return 0;
}

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.