From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 29 Feb 2008 01:24:59 +0100 From: Andrea Arcangeli Subject: Re: [PATCH] mmu notifiers #v7 Message-ID: <20080229001126.GL8091@v2.random> References: <20080219231157.GC18912@wotan.suse.de> <20080220010941.GR7128@v2.random> <20080220103942.GU7128@v2.random> <20080221045430.GC15215@wotan.suse.de> <20080221144023.GC9427@v2.random> <20080221161028.GA14220@sgi.com> <20080227192610.GF28483@v2.random> <20080228215257.GJ8091@v2.random> <20080228231732.GA21604@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080228231732.GA21604@sgi.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Jack Steiner Cc: Christoph Lameter , Nick Piggin , akpm@linux-foundation.org, Robin Holt , Avi Kivity , Izik Eidus , kvm-devel@lists.sourceforge.net, Peter Zijlstra , general@lists.openfabrics.org, Steve Wise , Roland Dreier , Kanoj Sarcar , linux-kernel@vger.kernel.org, linux-mm@kvack.org, daniel.blueman@quadrics.com List-ID: On Thu, Feb 28, 2008 at 05:17:33PM -0600, Jack Steiner wrote: > I disagree. The location of the callout IS a performance issue. In simple > comparisons of the 2 patches (Christoph's vs. Andrea's), Andrea's has a 7X > increase in the number of TLB purges being issued to the GRU. TLB flushing Are you sure that you're referring to #v7? -- 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