drm/i915: Suppress no action noise from oom shrinker

If we are not able to free anything (the shrinker leaves nothing on the global object lists), do not log anything. This is useful when other subsystems are being stress-tested for their oom behaviour and i915.ko is shouting into the logs about doing nothing. Reported-by: Dave Jones <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Signed-off-by: Daniel Vetter <[email protected]>
zarubaf · Oct 24, 2014 · bb9059d · bb9059d
1 parent 005445c
commit bb9059d
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
@@ -5307,8 +5307,9 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr)
 	if (unlock)
 		mutex_unlock(&dev->struct_mutex);
 
-	pr_info("Purging GPU memory, %lu bytes freed, %lu bytes still pinned.\n",
-		freed_pages << PAGE_SHIFT, pinned);
+	if (freed_pages || unbound || bound)
+		pr_info("Purging GPU memory, %lu bytes freed, %lu bytes still pinned.\n",
+			freed_pages << PAGE_SHIFT, pinned);
 	if (unbound || bound)
 		pr_err("%lu and %lu bytes still available in the "
 		       "bound and unbound GPU page lists.\n",