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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 <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
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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); void mem_cgroup_update_file_mapped(struct page *page, int val);
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid, gfp_t gfp_mask);
int zid);
u64 mem_cgroup_get_limit(struct mem_cgroup *mem); u64 mem_cgroup_get_limit(struct mem_cgroup *mem);
#else /* CONFIG_CGROUP_MEM_RES_CTLR */ #else /* CONFIG_CGROUP_MEM_RES_CTLR */
@ -301,7 +300,7 @@ static inline void mem_cgroup_update_file_mapped(struct page *page,
static inline static inline
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, 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; 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, unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid, gfp_t gfp_mask)
int zid)
{ {
unsigned long nr_reclaimed = 0; unsigned long nr_reclaimed = 0;
struct mem_cgroup_per_zone *mz, *next_mz = NULL; 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) if (order > 0)
return 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 * This loop can run a while, specially if mem_cgroup's continuously
* keep exceeding their soft limit and putting the system under * 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++) { for (i = 0; i <= end_zone; i++) {
struct zone *zone = pgdat->node_zones + i; struct zone *zone = pgdat->node_zones + i;
int nr_slab; int nr_slab;
int nid, zid;
if (!populated_zone(zone)) if (!populated_zone(zone))
continue; continue;
@ -2178,14 +2177,12 @@ loop_again:
sc.nr_scanned = 0; sc.nr_scanned = 0;
nid = pgdat->node_id;
zid = zone_idx(zone);
/* /*
* Call soft limit reclaim before calling shrink_zone. * Call soft limit reclaim before calling shrink_zone.
* For now we ignore the return value * For now we ignore the return value
*/ */
mem_cgroup_soft_limit_reclaim(zone, order, sc.gfp_mask, mem_cgroup_soft_limit_reclaim(zone, order, sc.gfp_mask);
nid, zid);
/* /*
* We put equal pressure on every zone, unless one * We put equal pressure on every zone, unless one
* zone has way too many pages free already. * zone has way too many pages free already.