From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 5A7906B0098 for ; Thu, 1 Dec 2011 12:36:28 -0500 (EST) From: Mel Gorman Subject: [PATCH 02/11] mm: compaction: Use synchronous compaction for /proc/sys/vm/compact_memory Date: Thu, 1 Dec 2011 17:36:12 +0000 Message-Id: <1322760981-28719-3-git-send-email-mgorman@suse.de> In-Reply-To: <1322760981-28719-1-git-send-email-mgorman@suse.de> References: <1322760981-28719-1-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Linux-MM Cc: Andrea Arcangeli , Minchan Kim , Jan Kara , Andy Isaacson , Johannes Weiner , Mel Gorman , Rik van Riel , Nai Xia , LKML When asynchronous compaction was introduced, the /proc/sys/vm/compact_memory handler should have been updated to always use synchronous compaction. This did not happen so this patch addresses it. The assumption is if a user writes to /proc/sys/vm/compact_memory, they are willing for that process to stall. Signed-off-by: Mel Gorman Reviewed-by: Andrea Arcangeli Reviewed-by: Rik van Riel Reviewed-by: Minchan Kim --- mm/compaction.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 237560e..615502b 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -666,6 +666,7 @@ static int compact_node(int nid) .nr_freepages = 0, .nr_migratepages = 0, .order = -1, + .sync = true, }; zone = &pgdat->node_zones[zoneid]; -- 1.7.3.4 -- 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