Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 2 Aug 2002 20:53:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 2 Aug 2002 20:53:40 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:13073 "HELO garrincha.netbank.com.br") by vger.kernel.org with SMTP id ; Fri, 2 Aug 2002 20:53:38 -0400 Date: Fri, 2 Aug 2002 21:56:57 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: Andrew Morton cc: Daniel Phillips , Subject: Re: [PATCH] Rmap speedup In-Reply-To: <3D4B2471.29EE6462@zip.com.au> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1025 Lines: 38 On Fri, 2 Aug 2002, Andrew Morton wrote: > > > Well that's fairly straightforward, thanks. Butt-ugly though ;) > I changed it to, essentially: > See http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.30/daniel-rmap-speedup.patch This patch looks good. Good enough for long-term maintainability, even... ;) I like it. > We have short-term rmap problems: > > 1) Unexplained pte chain state with ntpd I'll do a detailed trace of xntpd to see what's happening... > 2) 10-20% increased CPU load in fork/exec/exit loads > 3) system lock under heavy mmap load > 4) ZONE_NORMAL pte_chain consumption > > Daniel and I are on 2), Bill is on 4) (I think). regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/