From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752876Ab3LMOKV (ORCPT ); Fri, 13 Dec 2013 09:10:21 -0500 Received: from cantor2.suse.de ([195.135.220.15]:40439 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752502Ab3LMOKR (ORCPT ); Fri, 13 Dec 2013 09:10:17 -0500 From: Mel Gorman To: Johannes Weiner Cc: Andrew Morton , Dave Hansen , Rik van Riel , Linux-MM , LKML , Mel Gorman Subject: [PATCH 7/7] mm: page_alloc: Default allow file pages to use remote nodes for fair allocation policy Date: Fri, 13 Dec 2013 14:10:07 +0000 Message-Id: <1386943807-29601-8-git-send-email-mgorman@suse.de> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1386943807-29601-1-git-send-email-mgorman@suse.de> References: <1386943807-29601-1-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Indications from Johannes that he wanted this. Needs some data and/or justification why thrash protection needs it plus docs describing how MPOL_LOCAL is now different before it should be considered finished. I do not necessarily agree this patch is necessary but it's worth punting it out there for discussion and testing. Not signed off --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bf49918..bce40c0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1885,7 +1885,8 @@ unsigned __bitwise__ zone_distribute_mode __read_mostly; #define DISTRIBUTE_STUPID_ANON (DISTRIBUTE_LOCAL_ANON|DISTRIBUTE_REMOTE_ANON) #define DISTRIBUTE_STUPID_FILE (DISTRIBUTE_LOCAL_FILE|DISTRIBUTE_REMOTE_FILE) #define DISTRIBUTE_STUPID_SLAB (DISTRIBUTE_LOCAL_SLAB|DISTRIBUTE_REMOTE_SLAB) -#define DISTRIBUTE_DEFAULT (DISTRIBUTE_LOCAL_ANON|DISTRIBUTE_LOCAL_FILE|DISTRIBUTE_LOCAL_SLAB) +#define DISTRIBUTE_DEFAULT (DISTRIBUTE_LOCAL_ANON|DISTRIBUTE_LOCAL_FILE|DISTRIBUTE_LOCAL_SLAB| \ + DISTRIBUTE_REMOTE_FILE) /* Only these GFP flags are affected by the fair zone allocation policy */ #define DISTRIBUTE_GFP_MASK ((GFP_MOVABLE_MASK|__GFP_PAGECACHE)) -- 1.8.4