1 files changed, 2 insertions, 0 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 6235169d5950..04b564bfc4a1 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -406,6 +406,8 @@ struct drm_pending_event {
         struct drm_event *event;
         struct list_head link;
         struct drm_file *file_priv;
+        pid_t pid; /* pid of requester, no guarantee it's valid by the time
+                      we deliver the event, for tracing only */
         void (*destroy)(struct drm_pending_event *event);
 };