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From: Mel Gorman <mel@csn.ul.ie>
To: Chris Mason <chris.mason@oracle.com>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, Dave Chinner <david@fromorbit.com>,
	Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Christoph Hellwig <hch@infradead.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH 13/14] fs,btrfs: Allow kswapd to writeback pages
Date: Thu, 1 Jul 2010 10:55:10 +0100	[thread overview]
Message-ID: <20100701095509.GF31741@csn.ul.ie> (raw)
In-Reply-To: <20100630130504.GT1993@think>

On Wed, Jun 30, 2010 at 09:05:04AM -0400, Chris Mason wrote:
> On Tue, Jun 29, 2010 at 12:34:47PM +0100, Mel Gorman wrote:
> > As only kswapd and memcg are writing back pages, there should be no
> > danger of overflowing the stack. Allow the writing back of dirty pages
> > in btrfs from the VM.
> > 
> > Signed-off-by: Mel Gorman <mel@csn.ul.ie>
> 
> Signed-off-by: Chris Mason <chris.mason@oracle.com>
> 
> But, this is only the metadata writepage.  fs/btrfs/inode.c has another
> one for data pages.  (just look for PF_MEMALLOC).
> 

My bad, fixed now. Thanks.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab

  reply	other threads:[~2010-07-01  9:55 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-29 11:34 [PATCH 0/14] Avoid overflowing of stack during page reclaim V3 Mel Gorman
2010-06-29 11:34 ` [PATCH 01/14] vmscan: Fix mapping use after free Mel Gorman
2010-06-29 14:27   ` Minchan Kim
2010-07-01  9:53     ` Mel Gorman
2010-06-29 14:44   ` Johannes Weiner
2010-06-29 11:34 ` [PATCH 02/14] tracing, vmscan: Add trace events for kswapd wakeup, sleeping and direct reclaim Mel Gorman
2010-06-29 11:34 ` [PATCH 03/14] tracing, vmscan: Add trace events for LRU page isolation Mel Gorman
2010-06-29 11:34 ` [PATCH 04/14] tracing, vmscan: Add trace event when a page is written Mel Gorman
2010-06-29 11:34 ` [PATCH 05/14] tracing, vmscan: Add a postprocessing script for reclaim-related ftrace events Mel Gorman
2010-06-29 11:34 ` [PATCH 06/14] vmscan: kill prev_priority completely Mel Gorman
2010-06-29 11:34 ` [PATCH 07/14] vmscan: simplify shrink_inactive_list() Mel Gorman
2010-06-29 11:34 ` [PATCH 08/14] vmscan: Remove unnecessary temporary vars in do_try_to_free_pages Mel Gorman
2010-06-29 11:34 ` [PATCH 09/14] vmscan: Setup pagevec as late as possible in shrink_inactive_list() Mel Gorman
2010-06-29 11:34 ` [PATCH 10/14] vmscan: Setup pagevec as late as possible in shrink_page_list() Mel Gorman
2010-06-29 11:34 ` [PATCH 11/14] vmscan: Update isolated page counters outside of main path in shrink_inactive_list() Mel Gorman
2010-06-29 11:34 ` [PATCH 12/14] vmscan: Do not writeback pages in direct reclaim Mel Gorman
2010-07-02 19:51   ` Andrew Morton
2010-07-05 13:49     ` Mel Gorman
2010-07-06  0:36       ` KOSAKI Motohiro
2010-07-06  5:46         ` Minchan Kim
2010-07-06  6:02           ` KOSAKI Motohiro
2010-07-06  6:38             ` Minchan Kim
2010-07-06 10:12         ` Mel Gorman
2010-07-06 11:13           ` KOSAKI Motohiro
2010-07-06 11:24           ` Minchan Kim
2010-07-06 15:25             ` Mel Gorman
2010-07-06 20:27               ` Johannes Weiner
2010-07-06 22:28                 ` Minchan Kim
2010-07-07  0:24                   ` Mel Gorman
2010-07-07  1:15                     ` Christoph Hellwig
2010-07-07  9:43                       ` Mel Gorman
2010-07-07 12:51                         ` Rik van Riel
2010-07-07  1:14                 ` Christoph Hellwig
2010-07-08  6:39                 ` KOSAKI Motohiro
2010-07-07  5:03       ` Wu Fengguang
2010-07-07  9:50         ` Mel Gorman
2010-07-07 18:09         ` Christoph Hellwig
2010-06-29 11:34 ` [PATCH 13/14] fs,btrfs: Allow kswapd to writeback pages Mel Gorman
2010-06-30 13:05   ` Chris Mason
2010-07-01  9:55     ` Mel Gorman [this message]
2010-06-29 11:34 ` [PATCH 14/14] fs,xfs: " Mel Gorman
2010-06-29 12:37   ` Christoph Hellwig
2010-06-29 12:51     ` Mel Gorman
2010-06-30  0:14       ` KAMEZAWA Hiroyuki
2010-07-01 10:30         ` Mel Gorman
2010-07-02  6:26           ` KAMEZAWA Hiroyuki
2010-07-02  6:31             ` KAMEZAWA Hiroyuki
2010-07-05 14:16             ` Mel Gorman
2010-07-06  0:45               ` KAMEZAWA Hiroyuki
2010-07-02 19:33 ` [PATCH 0/14] Avoid overflowing of stack during page reclaim V3 Andrew Morton
2010-07-05  1:35   ` KAMEZAWA Hiroyuki

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