From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id B2A7C6B01EF for ; Mon, 19 Apr 2010 22:39:37 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o3K2dYb5026557 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Tue, 20 Apr 2010 11:39:35 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id B00D945DE52 for ; Tue, 20 Apr 2010 11:39:34 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 8C7A445DE50 for ; Tue, 20 Apr 2010 11:39:34 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 6BDF61DB8015 for ; Tue, 20 Apr 2010 11:39:34 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 0408E1DB8019 for ; Tue, 20 Apr 2010 11:39:34 +0900 (JST) Date: Tue, 20 Apr 2010 11:35:44 +0900 From: KAMEZAWA Hiroyuki Subject: Re: error at compaction (Re: mmotm 2010-04-15-14-42 uploaded Message-Id: <20100420113544.b06be095.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20100419181442.GA19264@csn.ul.ie> References: <201004152210.o3FMA7KV001909@imap1.linux-foundation.org> <20100419190133.50a13021.kamezawa.hiroyu@jp.fujitsu.com> <20100419181442.GA19264@csn.ul.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, "linux-mm@kvack.org" , "minchan.kim@gmail.com" , "kosaki.motohiro@jp.fujitsu.com" List-ID: On Mon, 19 Apr 2010 19:14:42 +0100 Mel Gorman wrote: > On Mon, Apr 19, 2010 at 07:01:33PM +0900, KAMEZAWA Hiroyuki wrote: > I'll verify the theory tomorrow but it's a plausible explanation. On a > different note, where did config options like the following come out of? > > CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" > > I don't think they are a factor but I'm curious. > Hmm ? arch/x86/Kconfig. config ARCH_HWEIGHT_CFLAGS string default "-fcall-saved-ecx -fcall-saved-edx" if X86_32 default "-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" if X86_64 Seems to be from patches/x86-add-optimized-popcnt-variants.patch 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