From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753619AbbCaSM4 (ORCPT ); Tue, 31 Mar 2015 14:12:56 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:49219 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753568AbbCaSMy (ORCPT ); Tue, 31 Mar 2015 14:12:54 -0400 Date: Tue, 31 Mar 2015 14:12:52 -0400 (EDT) Message-Id: <20150331.141252.1285173813259299502.davem@davemloft.net> To: kys@microsoft.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com Subject: Re: [PATCH net-next 0/2] hv_netvsc: Eliminate memory allocation in the send path From: David Miller In-Reply-To: <1427688478-27950-1-git-send-email-kys@microsoft.com> References: <1427688478-27950-1-git-send-email-kys@microsoft.com> X-Mailer: Mew version 6.6 on Emacs 24.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 31 Mar 2015 11:12:54 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "K. Y. Srinivasan" Date: Sun, 29 Mar 2015 21:07:58 -0700 > The network protocol used to communicate with the host is the remote ndis (rndis) > protocol. We need to decorate each outgoing packet with a rndis header and > additional rndis state (rndis per-packet state). To manage this state, we > currently allocate memory in the transmit path. Eliminate this allocation by > requesting additional head room in the skb. Series applied, thanks.