From: Rik van Riel <riel@redhat.com>
Subject: Re: [patch 3/4] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin()
Date: Tue, 20 Sep 2011 14:38:03 -0400
Message-ID: <4E78DD8B.1020605@redhat.com>
References: <1316526315-16801-1-git-send-email-jweiner@redhat.com> <1316526315-16801-4-git-send-email-jweiner@redhat.com> <20110920142553.GA2593@infradead.org>
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Cc: Johannes Weiner <jweiner@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mel Gorman <mgorman@suse.de>, Dave Chinner <david@fromorbit.com>,
        Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
        Minchan Kim <minchan.kim@gmail.com>,
        Chris Mason <chris.mason@oracle.com>, "Theodore Ts'o" <tytso@mit.edu>,
        Andreas Dilger <adilger.kernel@dilger.ca>, xfs@oss.sgi.com,
        linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
To: Christoph Hellwig <hch@infradead.org>
Return-path: <owner-linux-mm@kvack.org>
In-Reply-To: <20110920142553.GA2593@infradead.org>
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On 09/20/2011 10:25 AM, Christoph Hellwig wrote:
> In addition to regular write shouldn't __do_fault and do_wp_page also
> calls this if they are called on file backed mappings?
>

Probably not do_wp_page since it always creates an
anonymous page, which are not very relevant to the
dirty page cache accounting.

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