drm: use vmalloc_user instead of vmalloc_32 for DRM_SHM

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 9f65f56..1f74fb4 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -182,7 +182,7 @@
 		break;
 
 	case _DRM_SHM:
-		map->handle = vmalloc_32(map->size);
+		map->handle = vmalloc_user(map->size);
 		DRM_DEBUG("%lu %d %p\n",
 			  map->size, drm_order(map->size), map->handle);
 		if (!map->handle) {