Return-path: Received: from nbd.name ([46.4.11.11]:51954 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710Ab1AJPTb (ORCPT ); Mon, 10 Jan 2011 10:19:31 -0500 Message-ID: <4D2B2377.1070600@openwrt.org> Date: Mon, 10 Jan 2011 08:19:19 -0700 From: Felix Fietkau MIME-Version: 1.0 To: greearb@candelatech.com CC: linux-wireless@vger.kernel.org, ath9k-devel@venema.h4ckr.net Subject: Re: [PATCH RESEND 11/11] ath9k: Implement rx copy-break. References: <1294643513-18820-1-git-send-email-greearb@candelatech.com> <1294643513-18820-12-git-send-email-greearb@candelatech.com> In-Reply-To: <1294643513-18820-12-git-send-email-greearb@candelatech.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2011-01-10 12:11 AM, greearb@candelatech.com wrote: > From: Ben Greear > > This saves us constantly allocating large, multi-page > skbs. It should fix the order-1 allocation errors reported, > and in a 60-vif scenario, this significantly decreases CPU > utilization, and latency, and increases bandwidth. > > Signed-off-by: Ben Greear I think we should use Jouni's approach instead of this patch, as it also fixes order-1 allocations, but with less data copying involved. - Felix