From: Johannes Weiner Subject: [patch 3/4] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin() Date: Tue, 20 Sep 2011 15:45:14 +0200 Message-ID: <1316526315-16801-4-git-send-email-jweiner@redhat.com> References: <1316526315-16801-1-git-send-email-jweiner@redhat.com> Cc: Mel Gorman , Christoph Hellwig , Dave Chinner , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim , Chris Mason , "Theodore Ts'o" , Andreas Dilger , 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: Andrew Morton Return-path: In-Reply-To: <1316526315-16801-1-git-send-email-jweiner@redhat.com> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org Tell the page allocator that pages allocated through grab_cache_page_write_begin() are expected to become dirty soon. Signed-off-by: Johannes Weiner --- mm/filemap.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 645a080..cf0352d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2349,8 +2349,11 @@ struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index, unsigned flags) { int status; + gfp_t gfp_mask; struct page *page; gfp_t gfp_notmask = 0; + + gfp_mask = mapping_gfp_mask(mapping) | __GFP_WRITE; if (flags & AOP_FLAG_NOFS) gfp_notmask = __GFP_FS; repeat: @@ -2358,7 +2361,7 @@ repeat: if (page) goto found; - page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask); + page = __page_cache_alloc(gfp_mask & ~gfp_notmask); if (!page) return NULL; status = add_to_page_cache_lru(page, mapping, index, -- 1.7.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org