Currently mem_cgroup_shrink_node_zone() call shrink_zone() directly.
thus it doesn't need to initialize sc.nodemask because shrink_zone()
doesn't use it at all.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
---
include/linux/swap.h | 3 +--
mm/memcontrol.c | 3 +--
mm/vmscan.c | 5 +----
3 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index ff4acea..bf4eb62 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -244,8 +244,7 @@ extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
gfp_t gfp_mask, bool noswap,
unsigned int swappiness,
- struct zone *zone,
- int nid);
+ struct zone *zone);
extern int __isolate_lru_page(struct page *page, int mode, int file);
extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2600776..fee5cfa 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1282,8 +1282,7 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
/* we use swappiness of local cgroup */
if (check_soft)
ret = mem_cgroup_shrink_node_zone(victim, gfp_mask,
- noswap, get_swappiness(victim), zone,
- zone->zone_pgdat->node_id);
+ noswap, get_swappiness(victim), zone);
else
ret = try_to_free_mem_cgroup_pages(victim, gfp_mask,
noswap, get_swappiness(victim));
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 102ee3a..5e37c84 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1932,7 +1932,7 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
gfp_t gfp_mask, bool noswap,
unsigned int swappiness,
- struct zone *zone, int nid)
+ struct zone *zone)
{
struct scan_control sc = {
.nr_to_reclaim = SWAP_CLUSTER_MAX,
@@ -1943,11 +1943,8 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
.order = 0,
.mem_cgroup = mem,
};
- nodemask_t nm = nodemask_of_node(nid);
-
sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
(GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
- sc.nodemask = &nm;
trace_mm_vmscan_memcg_softlimit_reclaim_begin(0,
sc.may_writepage,
--
1.6.5.2
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