From: Mel Gorman <mel@csn.ul.ie>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, Dave Chinner <david@fromorbit.com>,
Chris Mason <chris.mason@oracle.com>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>
Subject: Re: [RFC PATCH 0/6] Do not call ->writepage[s] from direct reclaim and use a_ops->writepages() where possible
Date: Fri, 11 Jun 2010 19:17:24 +0100 [thread overview]
Message-ID: <20100611181724.GC9946@csn.ul.ie> (raw)
In-Reply-To: <20100611163026.GD24707@infradead.org>
On Fri, Jun 11, 2010 at 12:30:26PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 11, 2010 at 01:33:20PM +0100, Mel Gorman wrote:
> > Ok, I was under the mistaken impression that filesystems wanted to be
> > given ranges of pages where possible. Considering that there has been no
> > reaction to the patch in question from the filesystem people cc'd, I'll
> > drop the problem for now.
>
> Yes, we'd prefer them if possible. Then again we'd really prefer to
> get as much I/O as possible from the flusher threads, and not kswapd.
>
Ok, for the moment I'll put it on the maybe pile and drop it from the
series. We can revisit if a use is found for it and we're happy that
there wasn't some other bug leaving dirty pages on the LRU for too long.
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mel@csn.ul.ie>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, Dave Chinner <david@fromorbit.com>,
Chris Mason <chris.mason@oracle.com>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>
Subject: Re: [RFC PATCH 0/6] Do not call ->writepage[s] from direct reclaim and use a_ops->writepages() where possible
Date: Fri, 11 Jun 2010 19:17:24 +0100 [thread overview]
Message-ID: <20100611181724.GC9946@csn.ul.ie> (raw)
In-Reply-To: <20100611163026.GD24707@infradead.org>
On Fri, Jun 11, 2010 at 12:30:26PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 11, 2010 at 01:33:20PM +0100, Mel Gorman wrote:
> > Ok, I was under the mistaken impression that filesystems wanted to be
> > given ranges of pages where possible. Considering that there has been no
> > reaction to the patch in question from the filesystem people cc'd, I'll
> > drop the problem for now.
>
> Yes, we'd prefer them if possible. Then again we'd really prefer to
> get as much I/O as possible from the flusher threads, and not kswapd.
>
Ok, for the moment I'll put it on the maybe pile and drop it from the
series. We can revisit if a use is found for it and we're happy that
there wasn't some other bug leaving dirty pages on the LRU for too long.
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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next prev parent reply other threads:[~2010-06-11 18:17 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-08 9:02 [RFC PATCH 0/6] Do not call ->writepage[s] from direct reclaim and use a_ops->writepages() where possible Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-08 9:02 ` [PATCH 1/6] tracing, vmscan: Add trace events for kswapd wakeup, sleeping and direct reclaim Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-08 9:02 ` [PATCH 2/6] tracing, vmscan: Add trace events for LRU page isolation Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-08 9:02 ` [PATCH 3/6] tracing, vmscan: Add trace event when a page is written Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-08 9:02 ` [PATCH 4/6] tracing, vmscan: Add a postprocessing script for reclaim-related ftrace events Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-08 9:02 ` [PATCH 5/6] vmscan: Write out ranges of pages contiguous to the inode where possible Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-11 6:10 ` Andrew Morton
2010-06-11 6:10 ` Andrew Morton
2010-06-11 12:49 ` Mel Gorman
2010-06-11 12:49 ` Mel Gorman
2010-06-11 19:07 ` Andrew Morton
2010-06-11 19:07 ` Andrew Morton
2010-06-11 20:44 ` Mel Gorman
2010-06-11 20:44 ` Mel Gorman
2010-06-11 21:33 ` Andrew Morton
2010-06-11 21:33 ` Andrew Morton
2010-06-12 0:17 ` Mel Gorman
2010-06-12 0:17 ` Mel Gorman
2010-06-11 16:27 ` Christoph Hellwig
2010-06-11 16:27 ` Christoph Hellwig
2010-06-08 9:02 ` [PATCH 6/6] vmscan: Do not writeback pages in direct reclaim Mel Gorman
2010-06-08 9:02 ` Mel Gorman
2010-06-11 6:17 ` Andrew Morton
2010-06-11 6:17 ` Andrew Morton
2010-06-11 12:54 ` Mel Gorman
2010-06-11 12:54 ` Mel Gorman
2010-06-11 16:25 ` Christoph Hellwig
2010-06-11 16:25 ` Christoph Hellwig
2010-06-11 17:43 ` Andrew Morton
2010-06-11 17:43 ` Andrew Morton
2010-06-11 17:49 ` Christoph Hellwig
2010-06-11 17:49 ` Christoph Hellwig
2010-06-11 18:13 ` Mel Gorman
2010-06-11 18:13 ` Mel Gorman
2010-06-08 9:08 ` [RFC PATCH 0/6] Do not call ->writepage[s] from direct reclaim and use a_ops->writepages() where possible Christoph Hellwig
2010-06-08 9:08 ` Christoph Hellwig
2010-06-08 9:28 ` Mel Gorman
2010-06-08 9:28 ` Mel Gorman
2010-06-11 16:29 ` Christoph Hellwig
2010-06-11 16:29 ` Christoph Hellwig
2010-06-11 18:15 ` Mel Gorman
2010-06-11 18:15 ` Mel Gorman
2010-06-11 19:12 ` Chris Mason
2010-06-11 19:12 ` Chris Mason
2010-06-09 2:52 ` KAMEZAWA Hiroyuki
2010-06-09 2:52 ` KAMEZAWA Hiroyuki
2010-06-09 9:52 ` Mel Gorman
2010-06-09 9:52 ` Mel Gorman
2010-06-10 0:38 ` KAMEZAWA Hiroyuki
2010-06-10 0:38 ` KAMEZAWA Hiroyuki
2010-06-10 1:10 ` Mel Gorman
2010-06-10 1:10 ` Mel Gorman
2010-06-10 1:29 ` KAMEZAWA Hiroyuki
2010-06-10 1:29 ` KAMEZAWA Hiroyuki
2010-06-11 5:57 ` Andrew Morton
2010-06-11 5:57 ` Andrew Morton
2010-06-11 12:33 ` Mel Gorman
2010-06-11 12:33 ` Mel Gorman
2010-06-11 16:30 ` Christoph Hellwig
2010-06-11 16:30 ` Christoph Hellwig
2010-06-11 18:17 ` Mel Gorman [this message]
2010-06-11 18:17 ` Mel Gorman
2010-06-15 14:00 ` Andrea Arcangeli
2010-06-15 14:00 ` Andrea Arcangeli
2010-06-15 14:11 ` Christoph Hellwig
2010-06-15 14:11 ` Christoph Hellwig
2010-06-15 14:22 ` Andrea Arcangeli
2010-06-15 14:22 ` Andrea Arcangeli
2010-06-15 14:43 ` Christoph Hellwig
2010-06-15 14:43 ` Christoph Hellwig
2010-06-15 15:08 ` Andrea Arcangeli
2010-06-15 15:08 ` Andrea Arcangeli
2010-06-15 15:25 ` Christoph Hellwig
2010-06-15 15:25 ` Christoph Hellwig
2010-06-15 15:45 ` Andrea Arcangeli
2010-06-15 15:45 ` Andrea Arcangeli
2010-06-15 16:26 ` Christoph Hellwig
2010-06-15 16:26 ` Christoph Hellwig
2010-06-15 16:31 ` Andrea Arcangeli
2010-06-15 16:31 ` Andrea Arcangeli
2010-06-15 16:49 ` Rik van Riel
2010-06-15 16:49 ` Rik van Riel
2010-06-15 16:54 ` Christoph Hellwig
2010-06-15 16:54 ` Christoph Hellwig
2010-06-15 19:13 ` Rik van Riel
2010-06-15 19:13 ` Rik van Riel
2010-06-15 19:17 ` Christoph Hellwig
2010-06-15 19:17 ` Christoph Hellwig
2010-06-15 19:44 ` Chris Mason
2010-06-15 19:44 ` Chris Mason
2010-06-16 7:57 ` Nick Piggin
2010-06-16 7:57 ` Nick Piggin
2010-06-16 16:59 ` Rik van Riel
2010-06-16 16:59 ` Rik van Riel
2010-06-16 17:04 ` Andrea Arcangeli
2010-06-16 17:04 ` Andrea Arcangeli
2010-06-15 16:54 ` Nick Piggin
2010-06-15 16:54 ` Nick Piggin
2010-06-15 15:38 ` Mel Gorman
2010-06-15 15:38 ` Mel Gorman
2010-06-15 16:14 ` Andrea Arcangeli
2010-06-15 16:14 ` Andrea Arcangeli
2010-06-15 16:22 ` Christoph Hellwig
2010-06-15 16:22 ` Christoph Hellwig
2010-06-15 16:30 ` Mel Gorman
2010-06-15 16:30 ` Mel Gorman
2010-06-15 16:34 ` Mel Gorman
2010-06-15 16:34 ` Mel Gorman
2010-06-15 16:54 ` Andrea Arcangeli
2010-06-15 16:54 ` Andrea Arcangeli
2010-06-15 16:35 ` Christoph Hellwig
2010-06-15 16:35 ` Christoph Hellwig
2010-06-15 16:37 ` Andrea Arcangeli
2010-06-15 16:37 ` Andrea Arcangeli
2010-06-15 17:43 ` Christoph Hellwig
2010-06-15 17:43 ` Christoph Hellwig
2010-06-15 16:45 ` Christoph Hellwig
2010-06-15 16:45 ` Christoph Hellwig
2010-06-15 14:51 ` Mel Gorman
2010-06-15 14:51 ` Mel Gorman
2010-06-15 14:55 ` Rik van Riel
2010-06-15 14:55 ` Rik van Riel
2010-06-15 15:08 ` Nick Piggin
2010-06-15 15:08 ` Nick Piggin
2010-06-15 15:10 ` Mel Gorman
2010-06-15 15:10 ` Mel Gorman
2010-06-15 16:28 ` Andrea Arcangeli
2010-06-15 16:28 ` Andrea Arcangeli
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