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>
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 73564ca..159a0762 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -123,8 +123,7 @@
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
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;
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 8d0bfd7..5e95996 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2865,8 +2865,7 @@
}
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 @@
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
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 06ccda6..c391c32 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2168,7 +2168,6 @@
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 @@
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.