Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261448AbVCUSeK (ORCPT ); Mon, 21 Mar 2005 13:34:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261389AbVCUSeK (ORCPT ); Mon, 21 Mar 2005 13:34:10 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:15845 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261448AbVCUSeH (ORCPT ); Mon, 21 Mar 2005 13:34:07 -0500 Subject: Re: mmap/munmap bug From: Arjan van de Ven To: Hayim Shaul Cc: linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Date: Mon, 21 Mar 2005 19:34:02 +0100 Message-Id: <1111430042.6952.70.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Content-Transfer-Encoding: 7bit X-Spam-Score: 4.1 (++++) X-Spam-Report: SpamAssassin version 2.63 on pentafluge.infradead.org summary: Content analysis details: (4.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.3 RCVD_NUMERIC_HELO Received: contains a numeric HELO 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 608 Lines: 17 On Mon, 2005-03-21 at 17:32 +0200, Hayim Shaul wrote: > Hi all, > > I have an unexplained bug with mmap/munmap on 2.6.X. > > I'm writing a kernel module that gives super-fast access to the network. > It does so by doing mmap thus avoiding the memcpy to/from user. well... you are aware the network stack already supports generic zero copy networking, right ? - 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/