linux-kernel - Re: [PATCH] mm: vmscan: Stop reclaim/compaction earlier due to insufficient progress if !__GFP

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Message-ID: <4D5BBF88.6030103@redhat.com>
Date:	Wed, 16 Feb 2011 07:14:00 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mel@....ul.ie>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Michal Hocko <mhocko@...e.cz>,
	Kent Overstreet <kent.overstreet@...il.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: vmscan: Stop reclaim/compaction earlier due to	insufficient
 progress if !__GFP_REPEAT

On 02/16/2011 04:50 AM, Mel Gorman wrote:

> This patch will stop reclaim/compaction if no pages were reclaimed in the
> last SWAP_CLUSTER_MAX pages that were considered. For allocations such as
> hugetlbfs that use GFP_REPEAT and have fewer fallback options, the full LRU
> list may still be scanned.

> Signed-off-by: Mel Gorman<mel@....ul.ie>

Acked-by: Rik van Riel <riel@...hat.com>
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