From: Gerd Hoffmann <kraxel@novell.com>
Date: Sat, 13 Jan 2007 00:26:32 +0000 (-0300)
Subject: V4L/DVB (5069): Fix bttv and friends on 64bit machines with lots of memory
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=10329b962be782fa4fbebea9358063a4507d0c4d;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

V4L/DVB (5069): 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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index f429f49901b..635d102c86f 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -1229,7 +1229,7 @@ videobuf_vm_nopage(struct vm_area_struct *vma, unsigned long vaddr,
 		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);