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memcg: mem_cgroup_shrink_node_zone() doesn't need sc.nodemask

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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 <[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 14fec79680
3 changed files with 3 additions and 8 deletions
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5
mm/vmscan.c
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@ -1969,7 +1969,7 @@ 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,
@ -1980,11 +1980,8 @@ 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,