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Subject: Re: [RFC PATCH 1/2] mempool: do not consume memory reserves from the
 reclaim path
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From: Vlastimil Babka <vbabka@suse.cz>
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Date: Sat, 23 Jul 2016 20:52:20 +0200
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@kernel.org>, Johannes Weiner <hannes@cmpxchg.org>, David Rientjes <rientjes@google.com>, linux-mm@kvack.org, Mikulas Patocka <mpatocka@redhat.com>, Ondrej Kozina <okozina@redhat.com>, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>, Mel Gorman <mgorman@suse.de>, Neil Brown <neilb@suse.de>, LKML <linux-kernel@vger.kernel.org>, dm-devel@redhat.com

On 07/22/2016 09:44 PM, Andrew Morton wrote:
> On Fri, 22 Jul 2016 14:26:19 +0200 Vlastimil Babka <vbabka@suse.cz> wrote:
> 
>> On 07/22/2016 08:37 AM, Michal Hocko wrote:
>>> On Thu 21-07-16 16:53:09, Michal Hocko wrote:
>>>> From d64815758c212643cc1750774e2751721685059a Mon Sep 17 00:00:00 2001
>>>> From: Michal Hocko <mhocko@suse.com>
>>>> Date: Thu, 21 Jul 2016 16:40:59 +0200
>>>> Subject: [PATCH] Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are
>>>>  free elements"
>>>>
>>>> This reverts commit f9054c70d28bc214b2857cf8db8269f4f45a5e23.
>>>
>>> I've noticed that Andrew has already picked this one up. Is anybody
>>> against marking it for stable?
>>
>> It would be strange to have different behavior with known regression in 
>> 4.6 and 4.7 stables. Actually, there's still time for 4.7 proper?
>>
> 
> I added the cc:stable.
> 
> Do we need to bust a gut to rush it into 4.7?  It sounds safer to let
> it bake for a while, fix it in 4.7.1?

Yeah, I guess it's safer to wait now. Would be different if the reverted
commit went in the same cycle.

> 
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