[patch] Fix bttv and friends on 64bit machines with lots of memory.

[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
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@xxxxxxx>
---
 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);