From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 12 Oct 2002 13:44:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 12 Oct 2002 13:44:45 -0400 Received: from pc1-cwma1-5-cust42.swa.cable.ntl.com ([80.5.120.42]:30898 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Sat, 12 Oct 2002 13:44:44 -0400 Subject: Strange patch to the Z85230 driver. From: Alan Cox To: Linus Torvalds Cc: Linux Kernel Mailing List Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 12 Oct 2002 19:02:29 +0100 Message-Id: <1034445749.15067.6.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org These are DMA ring buffers for ISA DMA, they do not need to be zeroed. diff -Nru a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c --- a/drivers/net/wan/z85230.c Fri Oct 11 21:22:51 2002 +++ b/drivers/net/wan/z85230.c Fri Oct 11 21:22:51 2002 @@ -889,12 +889,12 @@ if(c->mtu > PAGE_SIZE/2) return -EMSGSIZE; - c->rx_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA); + c->rx_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA); if(c->rx_buf[0]==NULL) return -ENOBUFS; c->rx_buf[1]=c->rx_buf[0]+PAGE_SIZE/2; - c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA); + c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA); if(c->tx_dma_buf[0]==NULL) { free_page((unsigned long)c->rx_buf[0]); @@ -1079,7 +1079,7 @@ if(c->mtu > PAGE_SIZE/2) return -EMSGSIZE; - c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA); + c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA); if(c->tx_dma_buf[0]==NULL) return -ENOBUFS;