From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 21 Jun 2006 23:07:37 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH 1/6] mm: tracking shared dirty pages In-Reply-To: <20060621225639.4c8bad93.akpm@osdl.org> Message-ID: References: <20060619175243.24655.76005.sendpatchset@lappy> <20060619175253.24655.96323.sendpatchset@lappy> <20060621225639.4c8bad93.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Peter Zijlstra , linux-mm@kvack.org, linux-kernel@vger.kernel.org, hugh@veritas.com, dhowells@redhat.com, christoph@lameter.com, mbligh@google.com, npiggin@suse.de, torvalds@osdl.org List-ID: On Wed, 21 Jun 2006, Andrew Morton wrote: > Performance testing is critical here. I think some was done, but I don't > reall what tests were performed, nor do I remember the results. Without such > info it's not possible to make a go/no-go decision. Tests did show that there was no performance regression for the usual tests. That is to be expected since the patch should only modify the behavior of shared writable mapping. The use of those is rare in typical benchmarks. -- 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