From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bk0-f47.google.com (mail-bk0-f47.google.com [209.85.214.47]) by kanga.kvack.org (Postfix) with ESMTP id 6A2F46B0031 for ; Mon, 7 Apr 2014 19:37:04 -0400 (EDT) Received: by mail-bk0-f47.google.com with SMTP id w10so37669bkz.34 for ; Mon, 07 Apr 2014 16:37:03 -0700 (PDT) Received: from zene.cmpxchg.org (zene.cmpxchg.org. [2a01:238:4224:fa00:ca1f:9ef3:caee:a2bd]) by mx.google.com with ESMTPS id yp6si274165bkb.162.2014.04.07.16.37.02 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 07 Apr 2014 16:37:03 -0700 (PDT) Date: Mon, 7 Apr 2014 19:36:57 -0400 From: Johannes Weiner Subject: Re: [PATCH 2/2] mm: page_alloc: Do not cache reclaim distances Message-ID: <20140407233657.GP4407@cmpxchg.org> References: <1396910068-11637-1-git-send-email-mgorman@suse.de> <1396910068-11637-3-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396910068-11637-3-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , Robert Haas , Josh Berkus , Andres Freund , Christoph Lameter , Linux-MM , LKML On Mon, Apr 07, 2014 at 11:34:28PM +0100, Mel Gorman wrote: > pgdat->reclaim_nodes tracks if a remote node is allowed to be reclaimed by > zone_reclaim due to its distance. As it is expected that zone_reclaim_mode > will be rarely enabled it is unreasonable for all machines to take a penalty. > Fortunately, the zone_reclaim_mode() path is already slow and it is the path > that takes the hit. > > Signed-off-by: Mel Gorman Acked-by: Johannes Weiner -- 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/ . Don't email: email@kvack.org