From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Chinner Subject: Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list() Date: Fri, 16 Apr 2010 09:40:13 +1000 Message-ID: <20100415234013.GX2493@dastard> References: <20100415085420.GT2493@dastard> <20100415185310.D1A1.A69D9226@jp.fujitsu.com> <20100415192140.D1A4.A69D9226@jp.fujitsu.com> <20100415131532.GD10966@csn.ul.ie> <87tyrc92un.fsf@basil.nowhere.org> <20100415154442.GG10966@csn.ul.ie> <20100415165416.GV18855@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Mel Gorman , KOSAKI Motohiro , Chris Mason , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org To: Andi Kleen Return-path: Content-Disposition: inline In-Reply-To: <20100415165416.GV18855@one.firstfloor.org> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Thu, Apr 15, 2010 at 06:54:16PM +0200, Andi Kleen wrote: > > It's a buying-time venture, I'll agree but as both approaches are only > > about reducing stack stack they wouldn't be long-term solutions by your > > criteria. What do you suggest? > > (from easy to more complicated): > > - Disable direct reclaim with 4K stacks Just to re-iterate: we're blowing the stack with direct reclaim on x86_64 w/ 8k stacks. The old i386/4k stack problem is a red herring. Cheers, Dave. -- Dave Chinner david@fromorbit.com -- 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