From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: linux-mm@kvack.org
Cc: "nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
gthelen@google.com, m-ikeda@ds.jp.nec.com,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
kamezawa.hiroyuki@gmail.com
Subject: [PATCH] memcg: towards I/O aware memcg v5
Date: Fri, 20 Aug 2010 18:55:52 +0900 [thread overview]
Message-ID: <20100820185552.426ff12e.kamezawa.hiroyu@jp.fujitsu.com> (raw)
This is v5.
Sorry for delaying...but I had time for resetting myself and..several
changes are added. I think this version is simpler than v4.
Major changes from v4 is
a) added kernel/cgroup.c hooks again. (for b)
b) make RCU aware. previous version seems dangerous in an extreme case.
Then, codes are updated. Most of changes are related to RCU.
Patch brief view:
1. add hooks to kernel/cgroup.c for ID management.
2. use ID-array in memcg.
3. record ID to page_cgroup rather than pointer.
4. make update_file_mapped to be RCU aware routine instead of spinlock.
5. make update_file_mapped as general-purpose function.
Thanks,
-Kame
WARNING: multiple messages have this Message-ID (diff)
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: linux-mm@kvack.org
Cc: "nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
gthelen@google.com, m-ikeda@ds.jp.nec.com,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
kamezawa.hiroyuki@gmail.com
Subject: [PATCH] memcg: towards I/O aware memcg v5
Date: Fri, 20 Aug 2010 18:55:52 +0900 [thread overview]
Message-ID: <20100820185552.426ff12e.kamezawa.hiroyu@jp.fujitsu.com> (raw)
This is v5.
Sorry for delaying...but I had time for resetting myself and..several
changes are added. I think this version is simpler than v4.
Major changes from v4 is
a) added kernel/cgroup.c hooks again. (for b)
b) make RCU aware. previous version seems dangerous in an extreme case.
Then, codes are updated. Most of changes are related to RCU.
Patch brief view:
1. add hooks to kernel/cgroup.c for ID management.
2. use ID-array in memcg.
3. record ID to page_cgroup rather than pointer.
4. make update_file_mapped to be RCU aware routine instead of spinlock.
5. make update_file_mapped as general-purpose function.
Thanks,
-Kame
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next reply other threads:[~2010-08-20 10:01 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 9:55 KAMEZAWA Hiroyuki [this message]
2010-08-20 9:55 ` [PATCH] memcg: towards I/O aware memcg v5 KAMEZAWA Hiroyuki
2010-08-20 9:58 ` [PATCH 1/5] cgroup: ID notification call back KAMEZAWA Hiroyuki
2010-08-20 9:58 ` KAMEZAWA Hiroyuki
2010-08-24 7:19 ` Greg Thelen
2010-08-24 7:19 ` Greg Thelen
2010-08-24 7:18 ` KAMEZAWA Hiroyuki
2010-08-24 7:18 ` KAMEZAWA Hiroyuki
2010-08-24 9:04 ` Li Zefan
2010-08-24 9:04 ` Li Zefan
2010-08-24 23:58 ` KAMEZAWA Hiroyuki
2010-08-24 23:58 ` KAMEZAWA Hiroyuki
2010-08-25 0:11 ` Paul Menage
2010-08-25 0:11 ` Paul Menage
2010-08-25 0:17 ` KAMEZAWA Hiroyuki
2010-08-25 0:17 ` KAMEZAWA Hiroyuki
2010-08-25 0:25 ` Paul Menage
2010-08-25 0:25 ` Paul Menage
2010-08-25 0:09 ` Paul Menage
2010-08-25 0:09 ` Paul Menage
2010-08-25 0:20 ` KAMEZAWA Hiroyuki
2010-08-25 0:20 ` KAMEZAWA Hiroyuki
2010-08-25 0:34 ` Paul Menage
2010-08-25 0:34 ` Paul Menage
2010-08-25 0:37 ` KAMEZAWA Hiroyuki
2010-08-25 0:37 ` KAMEZAWA Hiroyuki
2010-08-25 0:46 ` Paul Menage
2010-08-25 0:46 ` Paul Menage
2010-08-25 1:03 ` KAMEZAWA Hiroyuki
2010-08-25 1:03 ` KAMEZAWA Hiroyuki
2010-08-25 1:35 ` Paul Menage
2010-08-25 1:35 ` Paul Menage
2010-08-25 1:42 ` KAMEZAWA Hiroyuki
2010-08-25 1:42 ` KAMEZAWA Hiroyuki
2010-08-25 1:52 ` Paul Menage
2010-08-25 1:52 ` Paul Menage
2010-08-25 2:29 ` KAMEZAWA Hiroyuki
2010-08-25 2:29 ` KAMEZAWA Hiroyuki
2010-08-20 9:59 ` [PATCH 2/5] memcg: use array and ID for quick look up KAMEZAWA Hiroyuki
2010-08-20 9:59 ` KAMEZAWA Hiroyuki
2010-08-23 3:35 ` Daisuke Nishimura
2010-08-23 3:35 ` Daisuke Nishimura
2010-08-23 23:51 ` KAMEZAWA Hiroyuki
2010-08-23 23:51 ` KAMEZAWA Hiroyuki
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-24 7:44 ` Greg Thelen
2010-08-24 7:44 ` Greg Thelen
2010-08-24 7:42 ` KAMEZAWA Hiroyuki
2010-08-24 7:42 ` KAMEZAWA Hiroyuki
2010-08-20 10:01 ` [PATCH] memcg: use ID in page_cgroup KAMEZAWA Hiroyuki
2010-08-20 10:01 ` KAMEZAWA Hiroyuki
2010-08-20 10:05 ` KAMEZAWA Hiroyuki
2010-08-23 5:32 ` Daisuke Nishimura
2010-08-23 5:32 ` Daisuke Nishimura
2010-08-23 23:52 ` KAMEZAWA Hiroyuki
2010-08-23 23:52 ` KAMEZAWA Hiroyuki
2010-08-24 1:14 ` Daisuke Nishimura
2010-08-24 1:14 ` Daisuke Nishimura
2010-08-24 1:54 ` KAMEZAWA Hiroyuki
2010-08-24 1:54 ` KAMEZAWA Hiroyuki
2010-08-24 4:04 ` Daisuke Nishimura
2010-08-24 4:04 ` Daisuke Nishimura
2010-08-24 6:05 ` KAMEZAWA Hiroyuki
2010-08-24 6:05 ` KAMEZAWA Hiroyuki
2010-08-24 7:47 ` Greg Thelen
2010-08-24 7:47 ` Greg Thelen
2010-08-24 7:51 ` KAMEZAWA Hiroyuki
2010-08-24 7:51 ` KAMEZAWA Hiroyuki
2010-08-24 8:35 ` Greg Thelen
2010-08-24 8:35 ` Greg Thelen
2010-08-24 8:38 ` KAMEZAWA Hiroyuki
2010-08-24 8:38 ` KAMEZAWA Hiroyuki
2010-08-20 10:02 ` [PATCH 4/5] memcg: lockless update of file_mapped KAMEZAWA Hiroyuki
2010-08-20 10:02 ` KAMEZAWA Hiroyuki
2010-08-23 8:50 ` Daisuke Nishimura
2010-08-23 8:50 ` Daisuke Nishimura
2010-08-23 23:49 ` KAMEZAWA Hiroyuki
2010-08-23 23:49 ` KAMEZAWA Hiroyuki
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-20 10:03 ` [PATCH 5/5] memcg: generic file accounting update function KAMEZAWA Hiroyuki
2010-08-20 10:03 ` KAMEZAWA Hiroyuki
2010-08-24 7:46 ` [PATCH] memcg: towards I/O aware memcg v5 Balbir Singh
2010-08-24 7:46 ` Balbir Singh
2010-08-24 7:59 ` KAMEZAWA Hiroyuki
2010-08-24 7:59 ` KAMEZAWA Hiroyuki
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