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 618668D0030 for ; Fri, 29 Oct 2010 08:37:13 -0400 (EDT) Received: from m2.gw.fujitsu.co.jp ([10.0.50.72]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o9TCb9a3026506 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 29 Oct 2010 21:37:10 +0900 Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 75F1E45DE51 for ; Fri, 29 Oct 2010 21:37:09 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 3CDC045DE4E for ; Fri, 29 Oct 2010 21:37:09 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 289571DB803A for ; Fri, 29 Oct 2010 21:37:09 +0900 (JST) Received: from m108.s.css.fujitsu.com (m108.s.css.fujitsu.com [10.249.87.108]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id DAFA81DB8038 for ; Fri, 29 Oct 2010 21:37:08 +0900 (JST) Date: Fri, 29 Oct 2010 21:31:36 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [RFC][PATCH 0/3] big chunk memory allocator v2 Message-Id: <20101029213136.7c4a99e2.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20101029122928.GA17792@gargoyle.fritz.box> References: <20101026190042.57f30338.kamezawa.hiroyu@jp.fujitsu.com> <20101029103154.GA10823@gargoyle.fritz.box> <20101029195900.88559162.kamezawa.hiroyu@jp.fujitsu.com> <20101029122928.GA17792@gargoyle.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Andi Kleen Cc: =?UTF-8?B?TWljaGHFgg==?= Nazarewicz , Minchan Kim , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , KOSAKI Motohiro , "fujita.tomonori@lab.ntt.co.jp" , "felipe.contreras@gmail.com" , linux-arm-kernel , Jonathan Corbet , Russell King , Pawel Osciak , Peter Zijlstra List-ID: On Fri, 29 Oct 2010 14:29:28 +0200 Andi Kleen wrote: > > > About my patch, I may have to prealloc all required pages before start. > > But I didn't do that at this time. > > preallocate when? I thought the whole point of the large memory allocator > was to not have to pre-allocate. > Yes, one-by-one allocation prevents the allocation from sudden-attack. I just wonder to add a knob for "migrate pages here" :) Thanks, -Kame -- 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