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 <[email protected]>
> ---
> 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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