Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964958Ab0GPKOY (ORCPT ); Fri, 16 Jul 2010 06:14:24 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:33334 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936153Ab0GPKOX (ORCPT ); Fri, 16 Jul 2010 06:14:23 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: LKML , linux-mm , Andrew Morton , Mel Gorman , KAMEZAWA Hiroyuki , Nishimura Daisuke Subject: [PATCH 2/7] memcg: mem_cgroup_shrink_node_zone() doesn't need sc.nodemask Cc: kosaki.motohiro@jp.fujitsu.com In-Reply-To: <20100716191006.7369.A69D9226@jp.fujitsu.com> References: <20100716191006.7369.A69D9226@jp.fujitsu.com> Message-Id: <20100716191334.736F.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Fri, 16 Jul 2010 19:14:15 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2742 Lines: 77 Currently mem_cgroup_shrink_node_zone() call shrink_zone() directly. thus it doesn't need to initialize sc.nodemask. shrink_zone() doesn't use it at all. Signed-off-by: KOSAKI Motohiro --- include/linux/swap.h | 3 +-- mm/memcontrol.c | 3 +-- mm/vmscan.c | 8 ++------ 3 files changed, 4 insertions(+), 10 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 aba4310..01f38ff 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1307,8 +1307,7 @@ 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 bd1d035..be860a0 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1929,7 +1929,7 @@ 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, @@ -1940,13 +1940,9 @@ 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; - sc.nr_reclaimed = 0; - sc.nr_scanned = 0; + /* * NOTE: Although we can get the priority field, using it * here is not a good idea, since it limits the pages we can scan. -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/