[PATCH 1/6] gma500: Fix leak of uncached page

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

From: Alan Cox <alan@linux.intel.com>

This was reported a long time ago (and I apologize to whoever it was that
reported it as I've lost the original report).

Signed-off-by: Alan Cox <alan@linux.intel.com>
---

 drivers/gpu/drm/gma500/psb_drv.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index c34adf9..d5a6eab 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -246,6 +246,7 @@ static int psb_driver_unload(struct drm_device *dev)
 		}
 		psb_gtt_takedown(dev);
 		if (dev_priv->scratch_page) {
+			set_pages_wb(dev_priv->scratch_page, 1);
 			__free_page(dev_priv->scratch_page);
 			dev_priv->scratch_page = NULL;
 		}