Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space"

From: Stephen Warren <[email-masked]>
Date: Mon, 04 Feb 2013 13:49:01 -0700

On 02/04/2013 09:57 AM, Stephen Warren wrote:
> On 02/03/2013 07:36 PM, Shaohua Li wrote:
>> On Fri, Feb 01, 2013 at 10:02:33PM -0700, Stephen Warren wrote:
>>> Shaohua,
>>>
>>> In next-20130128, commit 174f064 "swap: make each swap partition have
>>> one address_space" (from the mm/akpm tree) appears causes a hang/RCU
>>> stall for me when hot-unplugging a CPU.
>>
>> does this one work for you?
>> http://marc.info/?l=linux-mm&m=135929599505624&w=2
>> Or try a more recent linux-next. The patch is in akpm's tree.
> 
> Yes, that patch fixes the issue for me, thanks.

I notice this patch is only in Andrew's mmots tree, not mmotm, and hence
isn't included in linux-next. Do you know when it'll be "promoted" and
show up in linux-next?

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