From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm@kvack.org,
"nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
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: Re: [PATCH] memcg: towards I/O aware memcg v5
Date: Tue, 24 Aug 2010 13:16:17 +0530 [thread overview]
Message-ID: <20100824074617.GI4684@balbir.in.ibm.com> (raw)
In-Reply-To: <20100820185552.426ff12e.kamezawa.hiroyu@jp.fujitsu.com>
* KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2010-08-20 18:55:52]:
> 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 for being persistent, will review the patches with comments in
the relevant patches.
--
Three Cheers,
Balbir
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next prev parent reply other threads:[~2010-08-24 7:46 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 9:55 KAMEZAWA Hiroyuki
2010-08-20 9:58 ` [PATCH 1/5] cgroup: ID notification call back KAMEZAWA Hiroyuki
2010-08-24 7:19 ` Greg Thelen
2010-08-24 7:18 ` KAMEZAWA Hiroyuki
2010-08-24 9:04 ` Li Zefan
2010-08-24 23:58 ` KAMEZAWA Hiroyuki
2010-08-25 0:11 ` Paul Menage
2010-08-25 0:17 ` KAMEZAWA Hiroyuki
2010-08-25 0:25 ` Paul Menage
2010-08-25 0:09 ` Paul Menage
2010-08-25 0:20 ` KAMEZAWA Hiroyuki
2010-08-25 0:34 ` Paul Menage
2010-08-25 0:37 ` KAMEZAWA Hiroyuki
2010-08-25 0:46 ` Paul Menage
2010-08-25 1:03 ` KAMEZAWA Hiroyuki
2010-08-25 1:35 ` Paul Menage
2010-08-25 1:42 ` KAMEZAWA Hiroyuki
2010-08-25 1:52 ` Paul Menage
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
2010-08-23 3:35 ` Daisuke Nishimura
2010-08-23 23:51 ` KAMEZAWA Hiroyuki
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-24 7:44 ` Greg Thelen
2010-08-24 7:42 ` KAMEZAWA Hiroyuki
2010-08-20 10:01 ` [PATCH] memcg: use ID in page_cgroup KAMEZAWA Hiroyuki
2010-08-23 5:32 ` Daisuke Nishimura
2010-08-23 23:52 ` KAMEZAWA Hiroyuki
2010-08-24 1:14 ` Daisuke Nishimura
2010-08-24 1:54 ` KAMEZAWA Hiroyuki
2010-08-24 4:04 ` Daisuke Nishimura
2010-08-24 6:05 ` KAMEZAWA Hiroyuki
2010-08-24 7:47 ` Greg Thelen
2010-08-24 7:51 ` KAMEZAWA Hiroyuki
2010-08-24 8:35 ` Greg Thelen
2010-08-24 8:38 ` KAMEZAWA Hiroyuki
2010-08-20 10:02 ` [PATCH 4/5] memcg: lockless update of file_mapped KAMEZAWA Hiroyuki
2010-08-23 8:50 ` Daisuke Nishimura
2010-08-23 23:49 ` KAMEZAWA Hiroyuki
2010-08-24 0:19 ` Daisuke Nishimura
2010-08-20 10:03 ` [PATCH 5/5] memcg: generic file accounting update function KAMEZAWA Hiroyuki
2010-08-24 7:46 ` Balbir Singh [this message]
2010-08-24 7:59 ` [PATCH] memcg: towards I/O aware memcg v5 KAMEZAWA Hiroyuki
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