From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 4FFA96B003D for ; Sat, 9 Jan 2010 10:52:56 -0500 (EST) Date: Sat, 9 Jan 2010 07:55:17 -0800 From: Arjan van de Ven Subject: Re: [RFC][PATCH 6/8] mm: handle_speculative_fault() Message-ID: <20100109075517.4ec65b7e@infradead.org> In-Reply-To: References: <20100104182429.833180340@chello.nl> <20100104182813.753545361@chello.nl> <20100105054536.44bf8002@infradead.org> <20100105192243.1d6b2213@infradead.org> <20100107204940.253ed753@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Christoph Lameter Cc: Linus Torvalds , Peter Zijlstra , "Paul E. McKenney" , Peter Zijlstra , KAMEZAWA Hiroyuki , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "minchan.kim@gmail.com" , "hugh.dickins" , Nick Piggin , Ingo Molnar List-ID: On Fri, 8 Jan 2010 09:51:49 -0600 (CST) Christoph Lameter wrote: > On Thu, 7 Jan 2010, Arjan van de Ven wrote: > > > if an app has to change because our kernel sucks (for no good > > reason), "change the app" really is the lame type of answer. > > We are changing apps all of the time here to reduce the number of > system calls. it's fine to fix an app for something fundamental. it sucks to need to fix an app because we decided to clear a page inside a lock rather than outside it. -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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