Re: [PATCH] memcg: fix oops in oom handling

From: Andrew Morton
Date: Mon Apr 14 2008 - 03:48:55 EST


On Mon, 14 Apr 2008 16:24:04 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> On Mon, 14 Apr 2008 14:52:00 +0800
> Li Zefan <lizf@xxxxxxxxxxxxxx> 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@xxxxxxxxxx>
>
> 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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