From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>, XFS <xfs@oss.sgi.com>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>,
Johannes Weiner <jweiner@redhat.com>,
Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH 7/7] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes
Date: Fri, 12 Aug 2011 11:27:18 -0400 [thread overview]
Message-ID: <4E454656.9010608@redhat.com> (raw)
In-Reply-To: <1312973240-32576-8-git-send-email-mgorman@suse.de>
On 08/10/2011 06:47 AM, Mel Gorman wrote:
> When direct reclaim encounters a dirty page, it gets recycled around
> the LRU for another cycle. This patch marks the page PageReclaim
> similar to deactivate_page() so that the page gets reclaimed almost
> immediately after the page gets cleaned. This is to avoid reclaiming
> clean pages that are younger than a dirty page encountered at the
> end of the LRU that might have been something like a use-once page.
>
> Signed-off-by: Mel Gorman<mgorman@suse.de>
> Acked-by: Johannes Weiner<jweiner@redhat.com>
I'm thinking we may need to add some code to
ClearPageReclaim to mark_page_accessed, but
that would be completely independent of these
patches, so ...
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Jan Kara <jack@suse.cz>, LKML <linux-kernel@vger.kernel.org>,
XFS <xfs@oss.sgi.com>, Christoph Hellwig <hch@infradead.org>,
Linux-MM <linux-mm@kvack.org>,
Minchan Kim <minchan.kim@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: [PATCH 7/7] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes
Date: Fri, 12 Aug 2011 11:27:18 -0400 [thread overview]
Message-ID: <4E454656.9010608@redhat.com> (raw)
In-Reply-To: <1312973240-32576-8-git-send-email-mgorman@suse.de>
On 08/10/2011 06:47 AM, Mel Gorman wrote:
> When direct reclaim encounters a dirty page, it gets recycled around
> the LRU for another cycle. This patch marks the page PageReclaim
> similar to deactivate_page() so that the page gets reclaimed almost
> immediately after the page gets cleaned. This is to avoid reclaiming
> clean pages that are younger than a dirty page encountered at the
> end of the LRU that might have been something like a use-once page.
>
> Signed-off-by: Mel Gorman<mgorman@suse.de>
> Acked-by: Johannes Weiner<jweiner@redhat.com>
I'm thinking we may need to add some code to
ClearPageReclaim to mark_page_accessed, but
that would be completely independent of these
patches, so ...
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>, XFS <xfs@oss.sgi.com>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>,
Johannes Weiner <jweiner@redhat.com>,
Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH 7/7] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes
Date: Fri, 12 Aug 2011 11:27:18 -0400 [thread overview]
Message-ID: <4E454656.9010608@redhat.com> (raw)
In-Reply-To: <1312973240-32576-8-git-send-email-mgorman@suse.de>
On 08/10/2011 06:47 AM, Mel Gorman wrote:
> When direct reclaim encounters a dirty page, it gets recycled around
> the LRU for another cycle. This patch marks the page PageReclaim
> similar to deactivate_page() so that the page gets reclaimed almost
> immediately after the page gets cleaned. This is to avoid reclaiming
> clean pages that are younger than a dirty page encountered at the
> end of the LRU that might have been something like a use-once page.
>
> Signed-off-by: Mel Gorman<mgorman@suse.de>
> Acked-by: Johannes Weiner<jweiner@redhat.com>
I'm thinking we may need to add some code to
ClearPageReclaim to mark_page_accessed, but
that would be completely independent of these
patches, so ...
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
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next prev parent reply other threads:[~2011-08-12 15:27 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-10 10:47 [PATCH 0/7] Reduce filesystem writeback from page reclaim v3 Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` [PATCH 1/7] mm: vmscan: Do not writeback filesystem pages in direct reclaim Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 12:40 ` Johannes Weiner
2011-08-10 12:40 ` Johannes Weiner
2011-08-10 12:40 ` Johannes Weiner
2011-08-11 9:03 ` KAMEZAWA Hiroyuki
2011-08-11 9:03 ` KAMEZAWA Hiroyuki
2011-08-11 9:03 ` KAMEZAWA Hiroyuki
2011-08-11 15:57 ` Rik van Riel
2011-08-11 15:57 ` Rik van Riel
2011-08-11 15:57 ` Rik van Riel
2011-08-10 10:47 ` [PATCH 2/7] mm: vmscan: Remove dead code related to lumpy reclaim waiting on pages under writeback Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 12:41 ` Johannes Weiner
2011-08-10 12:41 ` Johannes Weiner
2011-08-10 12:41 ` Johannes Weiner
2011-08-10 23:19 ` Minchan Kim
2011-08-10 23:19 ` Minchan Kim
2011-08-10 23:19 ` Minchan Kim
2011-08-11 9:05 ` KAMEZAWA Hiroyuki
2011-08-11 9:05 ` KAMEZAWA Hiroyuki
2011-08-11 9:05 ` KAMEZAWA Hiroyuki
2011-08-11 16:52 ` Rik van Riel
2011-08-11 16:52 ` Rik van Riel
2011-08-11 16:52 ` Rik van Riel
2011-08-10 10:47 ` [PATCH 3/7] xfs: Warn if direct reclaim tries to writeback pages Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-11 16:53 ` Rik van Riel
2011-08-11 16:53 ` Rik van Riel
2011-08-11 16:53 ` Rik van Riel
2011-08-10 10:47 ` [PATCH 4/7] ext4: " Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-11 17:07 ` Rik van Riel
2011-08-11 17:07 ` Rik van Riel
2011-08-11 17:07 ` Rik van Riel
2011-08-10 10:47 ` [PATCH 5/7] mm: vmscan: Do not writeback filesystem pages in kswapd except in high priority Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 12:44 ` Johannes Weiner
2011-08-10 12:44 ` Johannes Weiner
2011-08-10 12:44 ` Johannes Weiner
2011-08-11 9:10 ` KAMEZAWA Hiroyuki
2011-08-11 9:10 ` KAMEZAWA Hiroyuki
2011-08-11 9:10 ` KAMEZAWA Hiroyuki
2011-08-11 20:25 ` Mel Gorman
2011-08-11 20:25 ` Mel Gorman
2011-08-11 20:25 ` Mel Gorman
2011-08-17 1:06 ` KAMEZAWA Hiroyuki
2011-08-17 1:06 ` KAMEZAWA Hiroyuki
2011-08-17 1:06 ` KAMEZAWA Hiroyuki
2011-08-11 18:18 ` Rik van Riel
2011-08-11 18:18 ` Rik van Riel
2011-08-11 18:18 ` Rik van Riel
2011-08-11 20:38 ` Mel Gorman
2011-08-11 20:38 ` Mel Gorman
2011-08-11 20:38 ` Mel Gorman
2011-08-10 10:47 ` [PATCH 6/7] mm: vmscan: Throttle reclaim if encountering too many dirty pages under writeback Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-11 9:18 ` KAMEZAWA Hiroyuki
2011-08-11 9:18 ` KAMEZAWA Hiroyuki
2011-08-11 9:18 ` KAMEZAWA Hiroyuki
2011-08-12 2:47 ` Rik van Riel
2011-08-12 2:47 ` Rik van Riel
2011-08-12 2:47 ` Rik van Riel
2011-08-16 14:06 ` Wu Fengguang
2011-08-16 14:06 ` Wu Fengguang
2011-08-16 14:06 ` Wu Fengguang
2011-08-16 15:02 ` Mel Gorman
2011-08-16 15:02 ` Mel Gorman
2011-08-16 15:02 ` Mel Gorman
2011-08-18 14:02 ` Wu Fengguang
2011-08-18 14:02 ` Wu Fengguang
2011-08-18 14:02 ` Wu Fengguang
2011-08-18 23:54 ` Andrew Morton
2011-08-18 23:54 ` Andrew Morton
2011-08-18 23:54 ` Andrew Morton
2011-08-30 13:49 ` Mel Gorman
2011-08-30 13:49 ` Mel Gorman
2011-08-30 13:49 ` Mel Gorman
2011-08-31 9:53 ` Mel Gorman
2011-08-31 9:53 ` Mel Gorman
2011-08-31 9:53 ` Mel Gorman
2011-08-10 10:47 ` [PATCH 7/7] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 10:47 ` Mel Gorman
2011-08-10 23:22 ` Minchan Kim
2011-08-10 23:22 ` Minchan Kim
2011-08-10 23:22 ` Minchan Kim
2011-08-11 9:19 ` KAMEZAWA Hiroyuki
2011-08-11 9:19 ` KAMEZAWA Hiroyuki
2011-08-11 9:19 ` KAMEZAWA Hiroyuki
2011-08-12 15:27 ` Rik van Riel [this message]
2011-08-12 15:27 ` Rik van Riel
2011-08-12 15:27 ` Rik van Riel
2011-08-10 11:00 ` [PATCH 0/7] Reduce filesystem writeback from page reclaim v3 Christoph Hellwig
2011-08-10 11:00 ` Christoph Hellwig
2011-08-10 11:00 ` Christoph Hellwig
2011-08-10 11:15 ` Mel Gorman
2011-08-10 11:15 ` Mel Gorman
2011-08-10 11:15 ` Mel Gorman
2011-08-11 23:45 ` Christoph Hellwig
2011-08-11 23:45 ` Christoph Hellwig
2011-08-11 23:45 ` Christoph Hellwig
2011-08-18 23:54 ` Andrew Morton
2011-08-18 23:54 ` Andrew Morton
2011-08-18 23:54 ` Andrew Morton
2011-08-20 19:33 ` Mel Gorman
2011-08-20 19:33 ` Mel Gorman
2011-08-20 19:33 ` Mel Gorman
2011-08-30 13:19 ` Mel Gorman
2011-08-30 13:19 ` Mel Gorman
2011-08-30 13:19 ` Mel Gorman
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