From: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
To: balbir@linux.vnet.ibm.com
Cc: linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Li Zefan <lizf@cn.fujitsu.com>, Paul Menage <menage@google.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Subject: Re: [PATCH -mmotm 0/8] memcg: move charge at task migration (14/Dec)
Date: Tue, 15 Dec 2009 13:14:21 +0900 [thread overview]
Message-ID: <20091215131421.00b87ad1.nishimura@mxp.nes.nec.co.jp> (raw)
In-Reply-To: <20091215033000.GD6036@balbir.in.ibm.com>
On Tue, 15 Dec 2009 09:00:00 +0530, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> * nishimura@mxp.nes.nec.co.jp <nishimura@mxp.nes.nec.co.jp> [2009-12-14 15:17:48]:
>
> > Hi.
> >
> > These are current patches of my move-charge-at-task-migration feature.
> >
> > * They have not been mature enough to be merged into linus tree yet. *
> >
> > Actually, there is a NULL pointer dereference BUG, which I found in my stress
> > test after about 40 hours running and I'm digging now.
> > I post these patches just to share my current status.
> >
> Could this be because of the css_get() and css_put() changes from the
> previous release?
>
I suspect so. Perhaps, [5/8] or [8/8] might be the guilt.
I'm now running test without [8/8]. It has survived for 24h so far, but
I must run for more time to verify it's all right or not.
I'm also looking closely into my patches again.
Thanks,
Daisuke Nishimura.
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next prev parent reply other threads:[~2009-12-15 4:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-14 6:17 Daisuke Nishimura
2009-12-14 6:18 ` [PATCH -mmotm 1/8] cgroup: introduce cancel_attach() Daisuke Nishimura
2009-12-14 6:19 ` [PATCH -mmotm 2/8] cgroup: introduce coalesce css_get() and css_put() Daisuke Nishimura
2009-12-16 2:14 ` Paul Menage
2009-12-14 6:20 ` [PATCH -mmotm 3/8] memcg: add interface to move charge at task migration Daisuke Nishimura
2009-12-14 6:21 ` [PATCH -mmotm 4/8] memcg: move charges of anonymous page Daisuke Nishimura
2009-12-14 6:23 ` [PATCH -mmotm 5/8] memcg: improve performance in moving charge Daisuke Nishimura
2009-12-14 6:24 ` [PATCH -mmotm 6/8] memcg: avoid oom during " Daisuke Nishimura
2009-12-15 2:05 ` KAMEZAWA Hiroyuki
2009-12-14 6:25 ` [PATCH -mmotm 7/8] memcg: move charges of anonymous swap Daisuke Nishimura
2009-12-14 6:26 ` [PATCH -mmotm 8/8] memcg: improbe performance in moving swap charge Daisuke Nishimura
2009-12-15 3:30 ` [PATCH -mmotm 0/8] memcg: move charge at task migration (14/Dec) Balbir Singh
2009-12-15 4:14 ` Daisuke Nishimura [this message]
2009-12-17 7:00 ` Daisuke Nishimura
2009-12-17 7:27 ` KAMEZAWA Hiroyuki
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