From: Andrew Morton <akpm@linux-foundation.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelianov <xemul@openvz.org>,
Paul Menage <menage@google.com>,
LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] memcg: fix oops in oom handling
Date: Mon, 14 Apr 2008 00:48:22 -0700 [thread overview]
Message-ID: <20080414004822.cd1c5498.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080414162404.b5340fe9.kamezawa.hiroyu@jp.fujitsu.com>
On Mon, 14 Apr 2008 16:24:04 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Mon, 14 Apr 2008 14:52:00 +0800
> Li Zefan <lizf@cn.fujitsu.com> wrote:
> > It's reproducable in a x86_64 box, but doesn't happen in x86_32.
> >
> > This is because tsk->sighand is not guarded by RCU, so we have to
> > hold tasklist_lock, just as what out_of_memory() does.
> >
> > Signed-off-by: Li Zefan <lizf@cn.fujitsu>
>
> Andrew, fast-path for 2.6.25 is still not-closed ?
If it was closed, there'd be no point in having rc9 ;)
> I think this patch is worth
> to be merged as bugfix to 2.6.25 if enough acks.
Yes, it's in my for-2.6.25 queue:
mmc-fix-platform-driver-hotplug-coldplug.patch
rtc-fix-the-error-in-the-function-of-cmos_set_alarm.patch
leds-fix-platform-driver-hotplug-coldplug.patch
fbdev-fix-proc-fb-oops-after-module-removal.patch
fix-sys_unsharesem_undo-add-support-for-clone_sysvsem.patch
fix-sys_unsharesem_undo-add-support-for-clone_sysvsem-cleanup.patch
fix-sys_unsharesem_undo-perform-an-implicit-clone_sysvsem-in-clone_newipc.patch
misc-fix-platform-driver-hotplug-coldplug.patch
pcmcia-fix-platform-driver-hotplug-coldplug.patch
serial-fix-platform-driver-hotplug-coldplug.patch
memcg-fix-oops-in-oom-handling.patch
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelianov <xemul@openvz.org>,
Paul Menage <menage@google.com>,
LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] memcg: fix oops in oom handling
Date: Mon, 14 Apr 2008 00:48:22 -0700 [thread overview]
Message-ID: <20080414004822.cd1c5498.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080414162404.b5340fe9.kamezawa.hiroyu@jp.fujitsu.com>
On Mon, 14 Apr 2008 16:24:04 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Mon, 14 Apr 2008 14:52:00 +0800
> Li Zefan <lizf@cn.fujitsu.com> wrote:
> > It's reproducable in a x86_64 box, but doesn't happen in x86_32.
> >
> > This is because tsk->sighand is not guarded by RCU, so we have to
> > hold tasklist_lock, just as what out_of_memory() does.
> >
> > Signed-off-by: Li Zefan <lizf@cn.fujitsu>
>
> Andrew, fast-path for 2.6.25 is still not-closed ?
If it was closed, there'd be no point in having rc9 ;)
> I think this patch is worth
> to be merged as bugfix to 2.6.25 if enough acks.
Yes, it's in my for-2.6.25 queue:
mmc-fix-platform-driver-hotplug-coldplug.patch
rtc-fix-the-error-in-the-function-of-cmos_set_alarm.patch
leds-fix-platform-driver-hotplug-coldplug.patch
fbdev-fix-proc-fb-oops-after-module-removal.patch
fix-sys_unsharesem_undo-add-support-for-clone_sysvsem.patch
fix-sys_unsharesem_undo-add-support-for-clone_sysvsem-cleanup.patch
fix-sys_unsharesem_undo-perform-an-implicit-clone_sysvsem-in-clone_newipc.patch
misc-fix-platform-driver-hotplug-coldplug.patch
pcmcia-fix-platform-driver-hotplug-coldplug.patch
serial-fix-platform-driver-hotplug-coldplug.patch
memcg-fix-oops-in-oom-handling.patch
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next prev parent reply other threads:[~2008-04-14 7:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-14 6:52 [PATCH] memcg: fix oops in oom handling Li Zefan
2008-04-14 6:52 ` Li Zefan
2008-04-14 7:14 ` KAMEZAWA Hiroyuki
2008-04-14 7:14 ` KAMEZAWA Hiroyuki
2008-04-14 7:24 ` Li Zefan
2008-04-14 7:24 ` Li Zefan
2008-04-14 7:53 ` Paul Menage
2008-04-14 7:53 ` Paul Menage
2008-04-14 8:07 ` Li Zefan
2008-04-14 8:07 ` Li Zefan
2008-04-14 9:20 ` Li Zefan
2008-04-14 9:20 ` Li Zefan
2008-04-14 7:24 ` KAMEZAWA Hiroyuki
2008-04-14 7:24 ` KAMEZAWA Hiroyuki
2008-04-14 7:48 ` Andrew Morton [this message]
2008-04-14 7:48 ` Andrew Morton
2008-04-14 7:55 ` Balbir Singh
2008-04-14 7:55 ` Balbir Singh
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