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Date: Mon, 3 Apr 2017 14:58:30 -0500
From: Reza Arbab <arbab@linux.vnet.ibm.com>
Subject: Re: [PATCH 0/6] mm: make movable onlining suck less
References: <20170330115454.32154-1-mhocko@kernel.org>
 <20170403115545.GK24661@dhcp22.suse.cz>
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To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>, Andrea Arcangeli <aarcange@redhat.com>, Yasuaki Ishimatsu <yasu.isimatu@gmail.com>, Tang Chen <tangchen@cn.fujitsu.com>, qiuxishi@huawei.com, Kani Toshimitsu <toshi.kani@hpe.com>, slaoub@gmail.com, Joonsoo Kim <js1304@gmail.com>, Andi Kleen <ak@linux.intel.com>, Zhang Zhen <zhenzhang.zhang@huawei.com>, David Rientjes <rientjes@google.com>, Daniel Kiper <daniel.kiper@oracle.com>, Igor Mammedov <imammedo@redhat.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, LKML <linux-kernel@vger.kernel.org>, Chris Metcalf <cmetcalf@mellanox.com>, Dan Williams <dan.j.williams@gmail.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>

On Mon, Apr 03, 2017 at 01:55:46PM +0200, Michal Hocko wrote:
>Anyting? I would really appreciate a feedback from IBM and Futjitsu 
>guys who have shaped this code last few years. Also Igor and Vitaly 
>seem to be using memory hotplug in virtualized environments. I do not 
>expect they would see a huge advantage of the rework but I would 
>appreciate to give it some testing to catch any potential regressions.

Sorry for the delayed reply.

With this set, I'm able to "online_movable" blocks in ascending order.  

However, I am seeing a regression. When adding memory to a memoryless 
node, it shows up in node 0 instead. I'm digging to see if I can help 
narrow down where things go wrong.

-- 
Reza Arbab

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