From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <446101BA.4000208@google.com> Date: Tue, 09 May 2006 13:55:22 -0700 From: Martin Bligh MIME-Version: 1.0 Subject: Re: [RFC][PATCH 1/3] tracking dirty pages in shared mappings -V4 References: <1146861313.3561.13.camel@lappy> <445CA22B.8030807@cyberone.com.au> <1146922446.3561.20.camel@lappy> <445CA907.9060002@cyberone.com.au> <1146929357.3561.28.camel@lappy> <1147116034.16600.2.camel@lappy> <1147207458.27680.19.camel@lappy> <17505.267.931504.918245@wombat.chubb.wattle.id.au> In-Reply-To: <17505.267.931504.918245@wombat.chubb.wattle.id.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Chubb Cc: Peter Zijlstra , Christoph Lameter , Nick Piggin , Linus Torvalds , Andi Kleen , Rohit Seth , Andrew Morton , hugh@veritas.com, riel@redhat.com, andrea@suse.de, arjan@infradead.org, apw@shadowen.org, mel@csn.ul.ie, marcelo@kvack.org, anton@samba.org, paulmck@us.ibm.com, linux-mm List-ID: Peter Chubb wrote: >>>>>>"Peter" == Peter Zijlstra writes: > > > Peter> From: Peter Zijlstra People expressed > Peter> the need to track dirty pages in shared mappings. > > Peter> Linus outlined the general idea of doing that through making > Peter> clean writable pages write-protected and taking the write > Peter> fault. > > What does this do to performance on TPC workloads? How many extra > faults are there likely to be? They all use large pages anyway ... M. -- 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