From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>, Chris Metcalf <cmetcalf@tilera.com>,
--@kroah.com, Len Brown <lenb@kernel.org>,
Andi Kleen <andi@firstfloor.org>, Julia Lawall <julia@diku.dk>,
David Howells <dhowells@redhat.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Kay Sievers <kay.sievers@vrfy.org>, Ingo Molnar <mingo@elte.hu>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Daniel Kiper <dkiper@net-space.pl>,
Andrew Morton <akpm@linux-foundation.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Minchan Kim <minchan@kernel.org>,
Michal Nazarewicz <mina86@mina86.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Rik van Riel <riel@redhat.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
linux-kernel@vger.kernel.org--, linux-acpi@vger.kernel.org--,
linux-mm@kvack.org
Subject: Re: [RFC PATCH 3/3 V1] mm, memory-hotplug: add online_movable
Date: Wed, 4 Jul 2012 07:58:35 -0700 [thread overview]
Message-ID: <20120704145835.GA23273@kroah.com> (raw)
In-Reply-To: <1341386778-8002-4-git-send-email-laijs@cn.fujitsu.com>
On Wed, Jul 04, 2012 at 03:26:18PM +0800, Lai Jiangshan wrote:
> When a memoryblock is onlined by "online_movable", the kernel will not
> have directly reference to the page of the memoryblock,
> thus we can remove that memory any time when needed.
>
> It makes things easy when we dynamic hot-add/remove memory, make better
> utilities of memories.
As you are changing the kernel/user API here, please update
Documentation/ABI with the proper sysfs file changes at the same time.
thanks,
greg k-h
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next prev parent reply other threads:[~2012-07-04 14:58 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 7:26 [RFC PATCH 0/3 V1] mm: add new migrate type and online_movable for hotplug Lai Jiangshan
2012-07-04 7:26 ` [RFC PATCH 1/3 V1] mm, page_alloc: use __rmqueue_smallest when borrow memory from MIGRATE_CMA Lai Jiangshan
2012-07-04 10:17 ` Mel Gorman
2012-07-04 10:17 ` Mel Gorman
2012-07-04 10:17 ` Mel Gorman
2012-07-04 10:43 ` Lai Jiangshan
2012-07-04 10:43 ` Lai Jiangshan
2012-07-04 10:43 ` Lai Jiangshan
2012-07-04 11:19 ` Mel Gorman
2012-07-04 11:19 ` Mel Gorman
2012-07-04 11:19 ` Mel Gorman
2012-07-05 1:36 ` Lai Jiangshan
2012-07-05 1:36 ` Lai Jiangshan
2012-07-05 1:36 ` Lai Jiangshan
2012-07-05 8:38 ` Mel Gorman
2012-07-05 8:38 ` Mel Gorman
2012-07-05 8:38 ` Mel Gorman
2012-07-04 7:26 ` [RFC PATCH 2/3 V1] mm, page migrate: add MIGRATE_HOTREMOVE type Lai Jiangshan
2012-07-04 10:19 ` Mel Gorman
2012-07-04 10:19 ` Mel Gorman
2012-07-04 10:19 ` Mel Gorman
2012-07-04 10:50 ` Lai Jiangshan
2012-07-04 10:50 ` Lai Jiangshan
2012-07-04 10:50 ` Lai Jiangshan
2012-07-04 7:26 ` [RFC PATCH 3/3 V1] mm, memory-hotplug: add online_movable Lai Jiangshan
2012-07-04 14:58 ` Greg Kroah-Hartman [this message]
2012-07-04 7:35 ` [RFC PATCH 0/3 V1] mm: add new migrate type and online_movable for hotplug Minchan Kim
2012-07-04 8:23 ` Lai Jiangshan
2012-07-04 8:23 ` Lai Jiangshan
2012-07-04 8:23 ` Lai Jiangshan
2012-07-04 8:43 ` Lai Jiangshan
2012-07-04 8:43 ` Lai Jiangshan
2012-07-04 8:43 ` Lai Jiangshan
2012-07-05 9:05 ` Mel Gorman
2012-07-05 9:05 ` Mel Gorman
2012-07-05 9:05 ` Mel Gorman
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