Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:33841 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753254Ab1A0VpO (ORCPT ); Thu, 27 Jan 2011 16:45:14 -0500 Date: Thu, 27 Jan 2011 16:31:05 -0500 From: "John W. Linville" To: Felix Fietkau Cc: linux-wireless@vger.kernel.org, lrodriguez@atheros.com, Jouni Malinen Subject: Re: [PATCH] ath9k: use split rx buffers to get rid of order-1 skb allocations Message-ID: <20110127213105.GC2271@tuxdriver.com> References: <1296062607-97934-1-git-send-email-nbd@openwrt.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1296062607-97934-1-git-send-email-nbd@openwrt.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Jan 26, 2011 at 06:23:27PM +0100, Felix Fietkau wrote: > With this change, less CPU time is spent trying to look for consecutive > pages for rx skbs. This also reduces the socket memory required for IP/UDP > reassembly. > Only two buffers per frame are supported. Frames spanning more buffers > will be dropped, but the buffer size is enough to handle the required > AMSDU size. > > Signed-off-by: Jouni Malinen > Signed-off-by: Felix Fietkau Will this address https://bugzilla.kernel.org/show_bug.cgi?id=26652 ? John -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.