From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752254AbcF2ITo (ORCPT ); Wed, 29 Jun 2016 04:19:44 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:38989 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbcF2ITm (ORCPT ); Wed, 29 Jun 2016 04:19:42 -0400 Date: Wed, 29 Jun 2016 04:19:11 -0400 (EDT) Message-Id: <20160629.041911.971288115210875782.davem@davemloft.net> To: grygorii.strashko@ti.com Cc: netdev@vger.kernel.org, mugunthanvnm@ti.com, nsekhar@ti.com, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, ivan.khoronzhuk@linaro.org, lsorense@csclub.uwaterloo.ca, afzal.mohd.ma@gmail.com Subject: Re: [PATCH v3] net: ethernet: ti: cpdma: switch to use genalloc From: David Miller In-Reply-To: <20160627090511.27487-1-grygorii.strashko@ti.com> References: <20160627090511.27487-1-grygorii.strashko@ti.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / 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]); Wed, 29 Jun 2016 01:19:41 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Grygorii Strashko Date: Mon, 27 Jun 2016 12:05:11 +0300 > TI CPDMA currently uses a bitmap for tracking descriptors alloactions > allocations, but The genalloc already handles the same and can be used > as with special memory (SRAM) as with DMA cherent memory chank > (dma_alloc_coherent()). Hence, switch to using genalloc and add > desc_num property for each channel for limitation of max number of > allowed descriptors for each CPDMA channel. This patch do not affect > on net throuput. > > Acked-by: Mugunthan V N > Tested-by: Ivan Khoronzhuk > Signed-off-by: Grygorii Strashko Applied, thanks.