From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 9E5446B01F3 for ; Wed, 7 Apr 2010 03:14:34 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o377EVKa023130 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Wed, 7 Apr 2010 16:14:31 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 6633545DE4C for ; Wed, 7 Apr 2010 16:14:31 +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 40E5645DE4F for ; Wed, 7 Apr 2010 16:14:31 +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 1F69FE08007 for ; Wed, 7 Apr 2010 16:14:31 +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 9F8EAE08003 for ; Wed, 7 Apr 2010 16:14:30 +0900 (JST) From: KOSAKI Motohiro Subject: Re: Arch specific mmap attributes In-Reply-To: <20100407.000343.181989028.davem@davemloft.net> References: <20100407095145.FB70.A69D9226@jp.fujitsu.com> <20100407.000343.181989028.davem@davemloft.net> Message-Id: <20100407161203.FB81.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 7 Apr 2010 16:14:29 +0900 (JST) Sender: owner-linux-mm@kvack.org To: David Miller Cc: kosaki.motohiro@jp.fujitsu.com, benh@kernel.crashing.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org List-ID: > From: KOSAKI Motohiro > Date: Wed, 7 Apr 2010 15:03:45 +0900 (JST) > > > I'm not against changing kernel internal. I only disagree mmu > > attribute fashion will be become used widely. > > Desktop already uses similar features via PCI mmap > attributes and such, not to mention MSR settings on > x86. Probably I haven't catch your mention. Why userland process need to change PCI mmap attribute by mmap(2)? It seems kernel issue. > So I disagree with your assesment that this is some > HPC/embedded issue. -- 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