From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id E848F6B0071 for ; Thu, 2 Dec 2010 09:39:59 -0500 (EST) Date: Thu, 2 Dec 2010 08:39:55 -0600 (CST) From: Christoph Lameter Subject: Re: Free memory never fully used, swapping In-Reply-To: <20101202093337.1573.A69D9226@jp.fujitsu.com> Message-ID: References: <20101201114226.ABAB.A69D9226@jp.fujitsu.com> <20101202093337.1573.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: Simon Kirby , Mel Gorman , Andrew Morton , linux-kernel , linux-mm@kvack.org List-ID: On Thu, 2 Dec 2010, KOSAKI Motohiro wrote: > So I think we have multiple option > > 1) reduce slub_max_order and slub only use safely order > 2) slub don't invoke reclaim when high order tryal allocation > (ie turn off GFP_WAIT and turn on GFP_NOKSWAPD) > 3) slub pass new hint to reclaim and reclaim don't work so aggressively if > such hint is passwd. > > > So I have one question. I thought (2) is most nature. but now slub doesn't. 2) so far has not been available. GFP_NOKSWAPD does not exist upstream. -- 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 policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org