Messages in this thread | | | Subject | Re: [patch] Fix bttv and friends on 64bit machines with lots of memory. | From | hermann pitton <> | Date | Thu, 11 Jan 2007 00:41:46 +0100 |
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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 <kraxel@suse.de> > --- > 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);
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