Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965239AbXAJXm5 (ORCPT ); Wed, 10 Jan 2007 18:42:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965241AbXAJXm5 (ORCPT ); Wed, 10 Jan 2007 18:42:57 -0500 Received: from mail-in-04.arcor-online.net ([151.189.21.44]:33909 "EHLO mail-in-04.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965239AbXAJXm4 (ORCPT ); Wed, 10 Jan 2007 18:42:56 -0500 Subject: Re: [patch] Fix bttv and friends on 64bit machines with lots of memory. From: hermann pitton To: Linux and Kernel Video Cc: linux kernel mailing list In-Reply-To: <45A4AAA4.4040606@novell.com> References: <45A4AAA4.4040606@novell.com> Content-Type: text/plain Date: Thu, 11 Jan 2007 00:41:46 +0100 Message-Id: <1168472507.3118.7.camel@pc08.localdom.local> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1627 Lines: 53 Am Mittwoch, den 10.01.2007, 09:58 +0100 schrieb Gerd Hoffmann: > Hi, > > We have a DMA32 zone now, lets use it to make sure the card > can reach the memory we have allocated for the video frame > buffers. > > please apply, > > Gerd Hi, did anybody already pick up, comment, review Gerd's patch ? Walks in into his own home like a stranger ... Gerd, THANKS for all you did. It was a incredible lot! Hermann > einfaches Textdokument-Anlage (v4l-dma32) > Fix bttv and friends on 64bit machines with lots of memory. > > We have a DMA32 zone now, lets use it to make sure the card > can reach the memory we have allocated for the video frame > buffers. > > Signed-off-by: Gerds Hoffmann > --- > drivers/media/video/video-buf.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: linux-2.6.18/drivers/media/video/video-buf.c > =================================================================== > --- linux-2.6.18.orig/drivers/media/video/video-buf.c > +++ linux-2.6.18/drivers/media/video/video-buf.c > @@ -1224,7 +1224,7 @@ videobuf_vm_nopage(struct vm_area_struct > vaddr,vma->vm_start,vma->vm_end); > if (vaddr > vma->vm_end) > return NOPAGE_SIGBUS; > - page = alloc_page(GFP_USER); > + page = alloc_page(GFP_USER | __GFP_DMA32); > if (!page) > return NOPAGE_OOM; > clear_user_page(page_address(page), vaddr, page); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/