From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16023.13132.215610.450669@napali.hpl.hp.com> Date: Fri, 11 Apr 2003 14:27:40 -0700 Subject: Re: [PATCH] bootmem speedup from the IA64 tree In-Reply-To: <20030411135707.31175d6f.akpm@digeo.com> References: <20030410134334.37c86863.akpm@digeo.com> <20030411135707.31175d6f.akpm@digeo.com> Reply-To: davidm@hpl.hp.com Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Rik van Riel , bcrl@redhat.com, hch@lst.de, davidm@napali.hpl.hp.com, linux-mm@kvack.org, mbligh@aracnet.com List-ID: >>>>> On Fri, 11 Apr 2003 13:57:07 -0700, Andrew Morton said: Andrew> Rik van Riel wrote: >> On Thu, 10 Apr 2003, Andrew Morton wrote: >> > Does the last_success cache ever need to be updated if someone frees >> > some previously-allocated memory? >> I've heard rumours that some IA64 trees can't boot without >> this "optimisation", suggesting that they use bootmem after >> freeing it. Andrew> hm. Well I assume there's only one functional ia64 2.5 tree at present, and Andrew> that's David. Andrew> David, could you please test this? I tried the patch with the Ski simulator (simulating a 4GB hole) and it booted as fast as ever. Looks great to me. The new code is in my tree now so it will be exposed to real hardware today and over the next couple of days. I don't anticipate any problems, but something unexpected crops up, I'll let you know. Thanks, --david -- 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: aart@kvack.org