From: Stephen Warren <swarren@wwwdotorg.org>
To: Shaohua Li <shli@kernel.org>, Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohua Li <shli@fusionio.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
Rik van Riel <riel@redhat.com>, Minchan Kim <minchan@kernel.org>,
Joseph Lo <josephl@nvidia.com>
Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space"
Date: Mon, 04 Feb 2013 13:49:01 -0700 [thread overview]
Message-ID: <51101EBD.80607@wwwdotorg.org> (raw)
In-Reply-To: <510FE866.9090600@wwwdotorg.org>
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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WARNING: multiple messages have this Message-ID (diff)
From: Stephen Warren <swarren@wwwdotorg.org>
To: Shaohua Li <shli@kernel.org>, Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohua Li <shli@fusionio.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
Rik van Riel <riel@redhat.com>, Minchan Kim <minchan@kernel.org>,
Joseph Lo <josephl@nvidia.com>
Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space"
Date: Mon, 04 Feb 2013 13:49:01 -0700 [thread overview]
Message-ID: <51101EBD.80607@wwwdotorg.org> (raw)
In-Reply-To: <510FE866.9090600@wwwdotorg.org>
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?
next prev parent reply other threads:[~2013-02-04 20:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-02 5:02 CPU hotplug hang due to "swap: make each swap partition have one address_space" Stephen Warren
2013-02-02 5:02 ` Stephen Warren
2013-02-04 2:36 ` Shaohua Li
2013-02-04 2:36 ` Shaohua Li
2013-02-04 4:45 ` Joseph Lo
2013-02-04 4:45 ` Joseph Lo
2013-02-04 16:57 ` Stephen Warren
2013-02-04 16:57 ` Stephen Warren
2013-02-04 20:49 ` Stephen Warren [this message]
2013-02-04 20:49 ` Stephen Warren
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