From: Reza Arbab <arbab@linux.vnet.ibm.com>
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>,
Jerome Glisse <jglisse@redhat.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: [RFC PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes
Date: Thu, 1 Jun 2017 11:02:28 -0500 [thread overview]
Message-ID: <20170601160227.uioluvgvjtplesjr@arbab-laptop.localdomain> (raw)
In-Reply-To: <20170601122004.32732-1-mhocko@kernel.org>
On Thu, Jun 01, 2017 at 02:20:04PM +0200, Michal Hocko wrote:
>Teach move_pfn_range that MMOP_ONLINE_KEEP can use the movable zone if
>movable_node is enabled and the range doesn't overlap with the existing
>normal zone. This should provide a reasonable default onlining strategy.
I like it. If your distro has some auto-onlining udev rule like
SUBSYSTEM=="memory", ACTION=="add", ATTR{state}=="offline", ATTR{state}="online"
You could get things onlined as movable just by putting movable_node in
the boot params, without changing/modifying the rule.
--
Reza Arbab
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next prev parent reply other threads:[~2017-06-01 16:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-01 12:20 [RFC PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes Michal Hocko
2017-06-01 14:11 ` Vlastimil Babka
2017-06-01 14:22 ` Michal Hocko
2017-06-01 15:19 ` Reza Arbab
2017-06-01 15:38 ` Michal Hocko
2017-06-01 15:47 ` Reza Arbab
2017-06-01 15:52 ` Michal Hocko
2017-06-01 16:04 ` Reza Arbab
2017-06-01 16:02 ` Reza Arbab [this message]
2017-06-01 16:14 ` Michal Hocko
2017-06-01 16:49 ` Reza Arbab
2017-06-05 8:13 ` Michal Hocko
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