From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>,
Andrea Arcangeli <aarcange@redhat.com>,
Jerome Glisse <jglisse@redhat.com>,
Reza Arbab <arbab@linux.vnet.ibm.com>,
Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
qiuxishi@huawei.com, Kani Toshimitsu <toshi.kani@hpe.com>,
slaoub@gmail.com, Joonsoo Kim <js1304@gmail.com>,
Andi Kleen <ak@linux.intel.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>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 2/3] mm, memory_hotplug: drop CONFIG_MOVABLE_NODE
Date: Mon, 29 May 2017 14:08:02 +0200 [thread overview]
Message-ID: <519c2906-d2f5-4069-2d6a-d7c199e5980b@suse.cz> (raw)
In-Reply-To: <20170529114141.536-3-mhocko@kernel.org>
On 05/29/2017 01:41 PM, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> 20b2f52b73fe ("numa: add CONFIG_MOVABLE_NODE for movable-dedicated
> node") has introduced CONFIG_MOVABLE_NODE without a good explanation on
> why it is actually useful. It makes a lot of sense to make movable node
> semantic opt in but we already have that because the feature has to be
> explicitly enabled on the kernel command line. A config option on top
> only makes the configuration space larger without a good reason. It also
> adds an additional ifdefery that pollutes the code. Just drop the config
> option and make it de-facto always enabled. This shouldn't introduce any
> change to the semantic.
>
> Acked-by: Reza Arbab <arbab@linux.vnet.ibm.com>
> Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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next prev parent reply other threads:[~2017-05-29 12:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-29 11:41 [PATCH 0/2] remove CONFIG_MOVABLE_NODE Michal Hocko
2017-05-29 11:41 ` [PATCH 1/3] mm, memory_hotplug: drop artificial restriction on online/offline Michal Hocko
2017-05-29 11:41 ` [PATCH 2/3] mm, memory_hotplug: drop CONFIG_MOVABLE_NODE Michal Hocko
2017-05-29 12:08 ` Vlastimil Babka [this message]
2017-05-29 11:41 ` [PATCH 3/3] mm, memory_hotplug: move movable_node to the hotplug proper Michal Hocko
2017-05-29 12:08 ` Vlastimil Babka
2017-05-30 15:05 ` Reza Arbab
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