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Date: Mon, 12 Jun 2017 08:35:44 +0200
From: Michal Hocko <mhocko@kernel.org>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>,
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        Igor Mammedov <imammedo@redhat.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm, memory_hotplug: support movable_node for hotplugable
 nodes
Message-ID: <20170612063544.GB4145@dhcp22.suse.cz>
References: <20170608122318.31598-1-mhocko@kernel.org>
 <20170610143356.GA3457@WeideMacBook-Pro.local>
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On Sat 10-06-17 22:33:56, Wei Yang wrote:
> On Thu, Jun 08, 2017 at 02:23:18PM +0200, Michal Hocko wrote:
> >From: Michal Hocko <mhocko@suse.com>
> >
> >movable_node kernel parameter allows to make hotplugable NUMA
> >nodes to put all the hotplugable memory into movable zone which
> >allows more or less reliable memory hotremove.  At least this
> >is the case for the NUMA nodes present during the boot (see
> >find_zone_movable_pfns_for_nodes).
> >
> >This is not the case for the memory hotplug, though.
> >
> >	echo online > /sys/devices/system/memory/memoryXYZ/status
>                                                            ^^^
> 
> Hmm, one typo I think
> 
> s/status/state/

right! Thanks for spotting that. I guess Andrew can update the changelog
or should I resubmit?


-- 
Michal Hocko
SUSE Labs