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From: Minchan Kim <minchan.kim@gmail.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	akpm@linux-foundation.org, Josh Boyer <jwboyer@redhat.com>,
	aarcange@redhat.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: Abort reclaim/compaction if compaction can proceed
Date: Sun, 9 Oct 2011 17:04:34 +0900	[thread overview]
Message-ID: <20111009080434.GD23003@barrios-desktop> (raw)
In-Reply-To: <1318000643-27996-3-git-send-email-mgorman@suse.de>

On Fri, Oct 07, 2011 at 04:17:23PM +0100, Mel Gorman wrote:
> If compaction can proceed, shrink_zones() stops doing any work but
> the callers still shrink_slab(), raises the priority and potentially
> sleeps.  This patch aborts direct reclaim/compaction entirely if
> compaction can proceed.
> 
> Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

-- 
Kinds regards,
Minchan Kim

WARNING: multiple messages have this Message-ID (diff)
From: Minchan Kim <minchan.kim@gmail.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	akpm@linux-foundation.org, Josh Boyer <jwboyer@redhat.com>,
	aarcange@redhat.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: Abort reclaim/compaction if compaction can proceed
Date: Sun, 9 Oct 2011 17:04:34 +0900	[thread overview]
Message-ID: <20111009080434.GD23003@barrios-desktop> (raw)
In-Reply-To: <1318000643-27996-3-git-send-email-mgorman@suse.de>

On Fri, Oct 07, 2011 at 04:17:23PM +0100, Mel Gorman wrote:
> If compaction can proceed, shrink_zones() stops doing any work but
> the callers still shrink_slab(), raises the priority and potentially
> sleeps.  This patch aborts direct reclaim/compaction entirely if
> compaction can proceed.
> 
> Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

-- 
Kinds regards,
Minchan Kim

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  parent reply	other threads:[~2011-10-09  8:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-07 15:17 [PATCH 0/2] Avoid excessive reclaim due to THP Mel Gorman
2011-10-07 15:17 ` Mel Gorman
2011-10-07 15:17 ` [PATCH 1/2] mm: vmscan: Limit direct reclaim for higher order allocations Mel Gorman
2011-10-07 15:17   ` Mel Gorman
2011-10-07 19:32   ` Rik van Riel
2011-10-07 19:32     ` Rik van Riel
2011-10-07 20:18     ` Mel Gorman
2011-10-07 20:18       ` Mel Gorman
2011-10-09  8:02   ` Minchan Kim
2011-10-09  8:02     ` Minchan Kim
2011-10-07 15:17 ` [PATCH 2/2] mm: Abort reclaim/compaction if compaction can proceed Mel Gorman
2011-10-07 15:17   ` Mel Gorman
2011-10-07 20:07   ` Rik van Riel
2011-10-07 20:07     ` Rik van Riel
2011-10-07 20:24     ` Mel Gorman
2011-10-07 20:24       ` Mel Gorman
2011-10-07 22:42       ` Rik van Riel
2011-10-07 22:42         ` Rik van Riel
2011-10-09  8:04   ` Minchan Kim [this message]
2011-10-09  8:04     ` Minchan Kim
2011-10-12 14:57   ` Johannes Weiner
2011-10-12 14:57     ` Johannes Weiner

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