Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 20 Nov 2001 17:20:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 20 Nov 2001 17:20:16 -0500 Received: from garrincha.netbank.com.br ([200.203.199.88]:61705 "HELO netbank.com.br") by vger.kernel.org with SMTP id ; Tue, 20 Nov 2001 17:20:03 -0500 Date: Tue, 20 Nov 2001 20:19:47 -0200 (BRST) From: Rik van Riel X-X-Sender: To: "David S. Miller" Cc: , Subject: Re: Swap In-Reply-To: <20011120.141129.57454002.davem@redhat.com> 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 On Tue, 20 Nov 2001, David S. Miller wrote: > From: Rik van Riel > Date: Tue, 20 Nov 2001 20:05:05 -0200 (BRST) > > Consider this a VM bug, mmap() really should be more efficient. > > read() is always going to be faster until mmap() can > use large page mappings for the user. This is why > mmap() is slower. Uhhhh, read his original mail. When using mmap() he had problems with the VM doing bad page replacement, while read() was smooth. Rik -- Shortwave goes a long way: irc.starchat.net #swl 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/