Merge drm/drm-fixes into drm-misc-fixes

[sfrench/cifs-2.6.git] / drivers / gpu / drm / drm_gem.c

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 7a3cb08dc942e1703b0ab7e2767328d501e44821..a5d392f7e11f6a1bb7ef0578de0f6a6f39e406fd 100644 (file)
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1388,10 +1388,13 @@ EXPORT_SYMBOL(drm_gem_lru_move_tail);
  *
  * @lru: The LRU to scan
  * @nr_to_scan: The number of pages to try to reclaim
+ * @remaining: The number of pages left to reclaim, should be initialized by caller
  * @shrink: Callback to try to shrink/reclaim the object.
  */
 unsigned long
-drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
+drm_gem_lru_scan(struct drm_gem_lru *lru,
+                unsigned int nr_to_scan,
+                unsigned long *remaining,
                 bool (*shrink)(struct drm_gem_object *obj))
 {
        struct drm_gem_lru still_in_lru;
@@ -1430,8 +1433,10 @@ drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
                 * hit shrinker in response to trying to get backing pages
                 * for this obj (ie. while it's lock is already held)
                 */
-               if (!dma_resv_trylock(obj->resv))
+               if (!dma_resv_trylock(obj->resv)) {
+                       *remaining += obj->size >> PAGE_SHIFT;
                        goto tail;
+               }
 
                if (shrink(obj)) {
                        freed += obj->size >> PAGE_SHIFT;