From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Berg Subject: Re: [PATCH net-next 00/11] skb_put_zero() used to optimize code Date: Wed, 14 Jun 2017 18:29:33 +0200 Message-ID: <1497457773.9377.2.camel@sipsolutions.net> References: <1497450634-3581-1-git-send-email-cugyly@163.com> (sfid-20170614_163132_934852_0520825B) <1497451356.9377.1.camel@sipsolutions.net> <1497452424.3765.3.camel@163.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: "David S . Miller" , yuan linyu To: cugyly@163.com, netdev@vger.kernel.org Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:39662 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752358AbdFNQ3j (ORCPT ); Wed, 14 Jun 2017 12:29:39 -0400 In-Reply-To: <1497452424.3765.3.camel@163.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2017-06-14 at 23:00 +0800, yuan linyu wrote: > sorry, I do them by hand.  oh, ok. This seems to work: @@ identifier p; expression len; expression skb; type t; @@ -p = (t)skb_put(skb, len); -memset(p, 0, len); +p = (t)skb_put_zero(skb, len); johannes