From: Chris Wilson Date: Tue, 7 Apr 2015 16:28:17 +0000 (+0100) Subject: drm/i915: Simplify object is-pinned checking for shrinker X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f6234c1deedd7d35a09366dba8d92c523ff9cf09;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Simplify object is-pinned checking for shrinker When looking for viable candidates to shrink, we only want objects that are not pinned. However to do so we performed a double iteration over the vma in the objects, first looking for the pin-count, then looking for allocations. We can do both at once and be slightly more explicit in our validity test. Signed-off-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index f7929e769250..f6ecbda2c604 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -184,9 +184,12 @@ static int num_vma_bound(struct drm_i915_gem_object *obj) struct i915_vma *vma; int count = 0; - list_for_each_entry(vma, &obj->vma_list, vma_link) + list_for_each_entry(vma, &obj->vma_list, vma_link) { if (drm_mm_node_allocated(&vma->node)) count++; + if (vma->pin_count) + count++; + } return count; } @@ -210,8 +213,7 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) count += obj->base.size >> PAGE_SHIFT; list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { - if (!i915_gem_obj_is_pinned(obj) && - obj->pages_pin_count == num_vma_bound(obj)) + if (obj->pages_pin_count == num_vma_bound(obj)) count += obj->base.size >> PAGE_SHIFT; }