From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx158.postini.com [74.125.245.158]) by kanga.kvack.org (Postfix) with SMTP id 95C836B018B for ; Thu, 13 Sep 2012 19:58:17 -0400 (EDT) Date: Fri, 14 Sep 2012 09:00:28 +0900 From: Minchan Kim Subject: Re: [PATCH -mm] enable CONFIG_COMPACTION by default Message-ID: <20120914000028.GC5085@bbox> References: <20120913162104.1458bea2@cuia.bos.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120913162104.1458bea2@cuia.bos.redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Rik van Riel Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mel Gorman , Andrew Morton Hi Rik, On Thu, Sep 13, 2012 at 04:21:04PM -0400, Rik van Riel wrote: > Now that lumpy reclaim has been removed, compaction is the > only way left to free up contiguous memory areas. It is time > to just enable CONFIG_COMPACTION by default. > > Signed-off-by: Rik van Riel I tried this a few month ago and Mel had a concern on size bloating (compaction.o + migration.o) where system doesn't use higher order allocation. Now that I think about it, admin should configure carefully and manually if he has a size concern of vmlinux without depending auto-generating config. So I really want this. Acked-by: Minchan Kim -- Kind regards, Minchan Kim -- 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