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Date: Wed, 08 Aug 2012 21:37:43 -0400 From: Rik van Riel <riel@...hat.com> To: Rafael Aquini <aquini@...hat.com> CC: linux-mm@...ck.org, linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org, Rusty Russell <rusty@...tcorp.com.au>, "Michael S. Tsirkin" <mst@...hat.com>, Mel Gorman <mel@....ul.ie>, Andi Kleen <andi@...stfloor.org>, Andrew Morton <akpm@...ux-foundation.org>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Minchan Kim <minchan@...nel.org> Subject: Re: [PATCH v6 1/3] mm: introduce compaction and migration for virtio ballooned pages 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@...hat.com> Reviewed-by: Rik van Riel <riel@...hat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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