From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 37E528D0001 for ; Thu, 25 Nov 2010 19:33:54 -0500 (EST) Received: from m1.gw.fujitsu.co.jp ([10.0.50.71]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id oAQ0Xp9j003719 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Fri, 26 Nov 2010 09:33:51 +0900 Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 272A745DE55 for ; Fri, 26 Nov 2010 09:33:51 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 0AEC045DE58 for ; Fri, 26 Nov 2010 09:33:51 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id F1CA5E38001 for ; Fri, 26 Nov 2010 09:33:50 +0900 (JST) Received: from m106.s.css.fujitsu.com (m106.s.css.fujitsu.com [10.249.87.106]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id BF916E08002 for ; Fri, 26 Nov 2010 09:33:50 +0900 (JST) From: KOSAKI Motohiro Subject: Re: Free memory never fully used, swapping In-Reply-To: <20101125171313.GA15899@hostway.ca> References: <20101125191759.F465.A69D9226@jp.fujitsu.com> <20101125171313.GA15899@hostway.ca> Message-Id: <20101126093326.B6D0.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Fri, 26 Nov 2010 09:33:49 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Simon Kirby Cc: kosaki.motohiro@jp.fujitsu.com, Shaohua Li , "linux-mm@kvack.org" , linux-kernel , Dave Hansen , Christoph Lameter , Pekka Enberg List-ID: > On Thu, Nov 25, 2010 at 07:18:49PM +0900, KOSAKI Motohiro wrote: > > > This? > > > - alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL; > > + alloc_gfp = (flags | __GFP_NOWARN) & ~(__GFP_NOFAIL | __GFP_WAIT); > > kswapd still gets woken in the !__GFP_WAIT case, which is what I was > seeing anyway, because the order-3 allocatons were starting from > __alloc_skb(). Oops, my fault. We also need __GFP_NOKSWAPD. (Proposed by Andrea) -- 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