From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755719Ab1KWNf3 (ORCPT ); Wed, 23 Nov 2011 08:35:29 -0500 Received: from zene.cmpxchg.org ([85.214.230.12]:50164 "EHLO zene.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755638Ab1KWNfX (ORCPT ); Wed, 23 Nov 2011 08:35:23 -0500 From: Johannes Weiner To: Andrew Morton 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 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> X-Mailer: git-send-email 1.7.6.4 In-Reply-To: <1322055258-3254-1-git-send-email-hannes@cmpxchg.org> References: <1322055258-3254-1-git-send-email-hannes@cmpxchg.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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