Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761040AbXIMVA7 (ORCPT ); Thu, 13 Sep 2007 17:00:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758902AbXIMVAr (ORCPT ); Thu, 13 Sep 2007 17:00:47 -0400 Received: from sj-iport-6.cisco.com ([171.71.176.117]:11344 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758746AbXIMVAq (ORCPT ); Thu, 13 Sep 2007 17:00:46 -0400 X-IronPort-AV: E=Sophos;i="4.20,251,1186383600"; d="scan'208";a="217722117" To: Shirley Ma Cc: general@lists.openfabrics.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netdev-owner@vger.kernel.org Subject: Re: InfiniBand/RDMA merge plans for 2.6.24 X-Message-Flag: Warning: May contain useful information References: From: Roland Dreier Date: Thu, 13 Sep 2007 14:00:43 -0700 In-Reply-To: (Shirley Ma's message of "Thu, 13 Sep 2007 11:22:16 -0700") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.4.20 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 13 Sep 2007 21:00:43.0744 (UTC) FILETIME=[26359600:01C7F649] Authentication-Results: sj-dkim-2; header.From=rdreier@cisco.com; dkim=pass ( sig from cisco.com/sjdkim2002 verified; ); Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 876 Lines: 17 > Since ehca can support 4K MTU, we would like to see a patch in > IPoIB to allow link MTU to be up to 4K instead of current 2K for 2.6.24 > kernel. The idea is IPoIB link MTU will pick up a return value from SM's > default broadcast MTU. This patch should be a small patch, I hope you are > OK with this. It's actually not small, since it turns the skb allocation into a 4100-byte buffer, which ends up being more than 1 page usually, which means it fails if memory is fragmented. Anyway given the backlog anything substantial that hasn't been posted already is almost surely going to have to wait until 2.6.25. - 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/