From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Weiner Subject: [patch 4/5] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin() Date: Wed, 23 Nov 2011 14:34:17 +0100 Message-ID: <1322055258-3254-5-git-send-email-hannes@cmpxchg.org> References: <1322055258-3254-1-git-send-email-hannes@cmpxchg.org> Cc: Mel Gorman , Rik van Riel , Minchan Kim , Michal Hocko , Christoph Hellwig , Wu Fengguang , Dave Chinner , Jan Kara , Shaohua Li , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Andrew Morton Return-path: In-Reply-To: <1322055258-3254-1-git-send-email-hannes@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org From: Johannes Weiner Tell the page allocator that pages allocated through grab_cache_page_write_begin() are expected to become dirty soon. Signed-off-by: Johannes Weiner Reviewed-by: Rik van Riel Acked-by: Mel Gorman Reviewed-by: Minchan Kim Reviewed-by: Michal Hocko --- mm/filemap.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index c0018f2..5344dec 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2354,8 +2354,11 @@ 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: @@ -2363,7 +2366,7 @@ 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, -- 1.7.6.4 -- 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