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From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
	"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
	Ying Han <yinghan@google.com>,
	hannes@cmpxchg.org, Michal Hocko <mhocko@suse.cz>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: [PATCH 1/8] memcg: export zone reclaimable pages
Date: Fri, 20 May 2011 12:41:08 +0900	[thread overview]
Message-ID: <20110520124108.c65e03e3.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20110520123749.d54b32fa.kamezawa.hiroyu@jp.fujitsu.com>

From: Ying Han <yinghan@google.com>

The number of reclaimable pages per zone is an useful information for
controling memory reclaim schedule. This patch exports it.

Signed-off-by: Ying Han <yinghan@google.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
---
 include/linux/memcontrol.h |    2 ++
 mm/memcontrol.c            |   14 ++++++++++++++
 2 files changed, 16 insertions(+)

Index: mmotm-May11/mm/memcontrol.c
===================================================================
--- mmotm-May11.orig/mm/memcontrol.c
+++ mmotm-May11/mm/memcontrol.c
@@ -1162,6 +1162,20 @@ unsigned long mem_cgroup_zone_nr_pages(s
 	return MEM_CGROUP_ZSTAT(mz, lru);
 }
 
+unsigned long mem_cgroup_zone_reclaimable_pages(struct mem_cgroup *memcg,
+						int nid, int zid)
+{
+	unsigned long nr;
+	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid);
+
+	nr = MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_FILE) +
+		MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_FILE);
+	if (nr_swap_pages > 0)
+		nr += MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_ANON) +
+			MEM_CGROUP_ZSTAT(mz, NR_INACTIVE_ANON);
+	return nr;
+}
+
 struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg,
 						      struct zone *zone)
 {
Index: mmotm-May11/include/linux/memcontrol.h
===================================================================
--- mmotm-May11.orig/include/linux/memcontrol.h
+++ mmotm-May11/include/linux/memcontrol.h
@@ -108,6 +108,8 @@ extern void mem_cgroup_end_migration(str
  */
 int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg);
 int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg);
+unsigned long
+mem_cgroup_zone_reclaimable_pages(struct mem_cgroup *memcg, int nid, int zid);
 int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
 unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
 				       struct zone *zone,


WARNING: multiple messages have this Message-ID (diff)
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
	"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
	Ying Han <yinghan@google.com>,
	hannes@cmpxchg.org, Michal Hocko <mhocko@suse.cz>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: [PATCH 1/8] memcg: export zone reclaimable pages
Date: Fri, 20 May 2011 12:41:08 +0900	[thread overview]
Message-ID: <20110520124108.c65e03e3.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20110520123749.d54b32fa.kamezawa.hiroyu@jp.fujitsu.com>

From: Ying Han <yinghan@google.com>

The number of reclaimable pages per zone is an useful information for
controling memory reclaim schedule. This patch exports it.

Signed-off-by: Ying Han <yinghan@google.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
---
 include/linux/memcontrol.h |    2 ++
 mm/memcontrol.c            |   14 ++++++++++++++
 2 files changed, 16 insertions(+)

Index: mmotm-May11/mm/memcontrol.c
===================================================================
--- mmotm-May11.orig/mm/memcontrol.c
+++ mmotm-May11/mm/memcontrol.c
@@ -1162,6 +1162,20 @@ unsigned long mem_cgroup_zone_nr_pages(s
 	return MEM_CGROUP_ZSTAT(mz, lru);
 }
 
+unsigned long mem_cgroup_zone_reclaimable_pages(struct mem_cgroup *memcg,
+						int nid, int zid)
+{
+	unsigned long nr;
+	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid);
+
+	nr = MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_FILE) +
+		MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_FILE);
+	if (nr_swap_pages > 0)
+		nr += MEM_CGROUP_ZSTAT(mz, NR_ACTIVE_ANON) +
+			MEM_CGROUP_ZSTAT(mz, NR_INACTIVE_ANON);
+	return nr;
+}
+
 struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg,
 						      struct zone *zone)
 {
Index: mmotm-May11/include/linux/memcontrol.h
===================================================================
--- mmotm-May11.orig/include/linux/memcontrol.h
+++ mmotm-May11/include/linux/memcontrol.h
@@ -108,6 +108,8 @@ extern void mem_cgroup_end_migration(str
  */
 int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg);
 int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg);
+unsigned long
+mem_cgroup_zone_reclaimable_pages(struct mem_cgroup *memcg, int nid, int zid);
 int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
 unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
 				       struct zone *zone,

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  reply	other threads:[~2011-05-20  3:47 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-20  3:37 [PATCH 0/8] memcg async reclaim v2 KAMEZAWA Hiroyuki
2011-05-20  3:37 ` KAMEZAWA Hiroyuki
2011-05-20  3:41 ` KAMEZAWA Hiroyuki [this message]
2011-05-20  3:41   ` [PATCH 1/8] memcg: export zone reclaimable pages KAMEZAWA Hiroyuki
2011-05-20  3:42 ` [PATCH 2/8] memcg: easy check routine for reclaimable KAMEZAWA Hiroyuki
2011-05-20  3:42   ` KAMEZAWA Hiroyuki
2011-05-20 21:49   ` Andrew Morton
2011-05-20 21:49     ` Andrew Morton
2011-05-20 23:57     ` Hiroyuki Kamezawa
2011-05-20 23:57       ` Hiroyuki Kamezawa
2011-05-20  3:43 ` [PATCH 0/8] memcg: clean up, export swapiness KAMEZAWA Hiroyuki
2011-05-20  3:43   ` KAMEZAWA Hiroyuki
2011-05-23 17:26   ` Ying Han
2011-05-23 17:26     ` Ying Han
2011-05-23 23:55     ` KAMEZAWA Hiroyuki
2011-05-23 23:55       ` KAMEZAWA Hiroyuki
2011-05-20  3:44 ` [PATCH 4/8] memcg: export release victim KAMEZAWA Hiroyuki
2011-05-20  3:44   ` KAMEZAWA Hiroyuki
2011-05-20  3:46 ` [PATCH 6/8] memcg asynchronous memory reclaim interface KAMEZAWA Hiroyuki
2011-05-20  3:46   ` KAMEZAWA Hiroyuki
2011-05-20 21:49   ` Andrew Morton
2011-05-20 21:49     ` Andrew Morton
2011-05-20 23:56     ` Hiroyuki Kamezawa
2011-05-20 23:56       ` Hiroyuki Kamezawa
2011-05-23 23:36       ` Ying Han
2011-05-23 23:36         ` Ying Han
2011-05-24  0:11         ` KAMEZAWA Hiroyuki
2011-05-24  0:11           ` KAMEZAWA Hiroyuki
2011-05-24  0:26           ` Ying Han
2011-05-24  0:26             ` Ying Han
2011-05-20  3:47 ` [PATCH 7/8] memcg static scan reclaim for asyncrhonous reclaim KAMEZAWA Hiroyuki
2011-05-20  3:47   ` KAMEZAWA Hiroyuki
2011-05-20 21:50   ` Andrew Morton
2011-05-20 21:50     ` Andrew Morton
2011-05-21  0:23     ` Hiroyuki Kamezawa
2011-05-21  0:23       ` Hiroyuki Kamezawa
2011-05-20  3:48 ` [PATCH 8/8] memcg asyncrhouns reclaim workqueue KAMEZAWA Hiroyuki
2011-05-20  3:48   ` KAMEZAWA Hiroyuki
2011-05-20 21:51   ` Andrew Morton
2011-05-20 21:51     ` Andrew Morton
2011-05-21  0:41     ` Hiroyuki Kamezawa
2011-05-21  0:41       ` Hiroyuki Kamezawa
2011-05-21  1:26       ` Andrew Morton
2011-05-21  1:26         ` Andrew Morton
2011-05-23  0:25         ` KAMEZAWA Hiroyuki
2011-05-23  0:25           ` KAMEZAWA Hiroyuki
2011-05-25  5:51           ` Ying Han
     [not found] ` <BANLkTimd0CAqoAnuGz7WvKsbwphJxo0eZQ@mail.gmail.com>
2011-05-24  0:19   ` [PATCH 0/8] memcg async reclaim v2 KAMEZAWA Hiroyuki
2011-05-24  0:19     ` KAMEZAWA Hiroyuki

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