From: Rik van Riel <riel@redhat.com>
To: Rafael Aquini <aquini@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Rusty Russell <rusty@rustcorp.com.au>,
"Michael S. Tsirkin" <mst@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Minchan Kim <minchan@kernel.org>
Subject: Re: [PATCH v6 1/3] mm: introduce compaction and migration for virtio ballooned pages
Date: Wed, 08 Aug 2012 21:37:43 -0400 [thread overview]
Message-ID: <50231467.80603@redhat.com> (raw)
In-Reply-To: <efb9756c5d6de8952a793bfc99a9db9cdd66b12f.1344463786.git.aquini@redhat.com>
On 08/08/2012 06:53 PM, Rafael Aquini wrote:
> Memory fragmentation introduced by ballooning might reduce significantly
> the number of 2MB contiguous memory blocks that can be used within a guest,
> thus imposing performance penalties associated with the reduced number of
> transparent huge pages that could be used by the guest workload.
>
> This patch introduces the helper functions as well as the necessary changes
> to teach compaction and migration bits how to cope with pages which are
> part of a guest memory balloon, in order to make them movable by memory
> compaction procedures.
>
> Signed-off-by: Rafael Aquini<aquini@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Rafael Aquini <aquini@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Rusty Russell <rusty@rustcorp.com.au>,
"Michael S. Tsirkin" <mst@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Minchan Kim <minchan@kernel.org>
Subject: Re: [PATCH v6 1/3] mm: introduce compaction and migration for virtio ballooned pages
Date: Wed, 08 Aug 2012 21:37:43 -0400 [thread overview]
Message-ID: <50231467.80603@redhat.com> (raw)
In-Reply-To: <efb9756c5d6de8952a793bfc99a9db9cdd66b12f.1344463786.git.aquini@redhat.com>
On 08/08/2012 06:53 PM, Rafael Aquini wrote:
> Memory fragmentation introduced by ballooning might reduce significantly
> the number of 2MB contiguous memory blocks that can be used within a guest,
> thus imposing performance penalties associated with the reduced number of
> transparent huge pages that could be used by the guest workload.
>
> This patch introduces the helper functions as well as the necessary changes
> to teach compaction and migration bits how to cope with pages which are
> part of a guest memory balloon, in order to make them movable by memory
> compaction procedures.
>
> Signed-off-by: Rafael Aquini<aquini@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
next prev parent reply other threads:[~2012-08-09 1:38 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 22:53 [PATCH v6 0/3] make balloon pages movable by compaction Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-08 22:53 ` [PATCH v6 1/3] mm: introduce compaction and migration for virtio ballooned pages Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-09 1:37 ` Rik van Riel [this message]
2012-08-09 1:37 ` Rik van Riel
2012-08-09 1:37 ` Rik van Riel
2012-08-09 1:55 ` Minchan Kim
2012-08-09 1:55 ` Minchan Kim
2012-08-09 1:55 ` Minchan Kim
2012-08-09 9:00 ` Mel Gorman
2012-08-09 9:00 ` Mel Gorman
2012-08-09 9:00 ` Mel Gorman
2012-08-09 14:48 ` Rafael Aquini
2012-08-09 14:48 ` Rafael Aquini
2012-08-09 14:48 ` Rafael Aquini
2012-08-09 15:12 ` Rafael Aquini
2012-08-09 15:12 ` Rafael Aquini
2012-08-09 15:12 ` Rafael Aquini
2012-08-10 12:46 ` Mel Gorman
2012-08-10 12:46 ` Mel Gorman
2012-08-10 12:46 ` Mel Gorman
2012-08-08 22:53 ` [PATCH v6 2/3] virtio_balloon: introduce migration primitives to balloon pages Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-09 1:39 ` Rik van Riel
2012-08-09 1:39 ` Rik van Riel
2012-08-09 1:39 ` Rik van Riel
2012-08-08 22:53 ` [PATCH v6 3/3] mm: add vm event counters for balloon pages compaction Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-08 22:53 ` Rafael Aquini
2012-08-09 1:40 ` Rik van Riel
2012-08-09 1:40 ` Rik van Riel
2012-08-09 1:40 ` Rik van Riel
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