From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bw0-f217.google.com (mail-bw0-f217.google.com [209.85.218.217]) by ozlabs.org (Postfix) with ESMTP id C4DBCB7D41 for ; Wed, 7 Apr 2010 03:47:42 +1000 (EST) Received: by bwz9 with SMTP id 9so137144bwz.9 for ; Tue, 06 Apr 2010 10:47:40 -0700 (PDT) Subject: RE: [PATCH] [V3] Add non-Virtex5 support for LL TEMAC driver From: Eric Dumazet To: John Linn In-Reply-To: References: <1270502993.9013.36.camel@edumazet-laptop> <2fefb2a2-d0dc-461d-ac8c-3e7d177b7cf8@VA3EHSMHS032.ehs.local> <1270573233.2081.47.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Date: Tue, 06 Apr 2010 19:47:37 +0200 Message-ID: <1270576057.2081.100.camel@edumazet-laptop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org, John Tyner , michal.simek@petalogix.com, john.williams@petalogix.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > > Yes I see how it's used, but it only allows you to reserve 2 bytes in the skb with no options. Really ? This would be a bug ! __alloc_skb() uses kmalloc(XXXX), this gives you the guarantee you want, or maybe comment you wrote is not what is _really_ necessary ? /* Align the IP data in the packet on word boundaries as MicroBlaze * needs it. */