1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h
index 9898301ab7ef..7fa94b024968 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -101,6 +101,14 @@ struct i915_request {
         struct intel_signal_node signaling;
 
         /*
+         * The rcu epoch of when this request was allocated. Used to judiciously
+         * apply backpressure on future allocations to ensure that under
+         * mempressure there is sufficient RCU ticks for us to reclaim our
+         * RCU protected slabs.
+         */
+        unsigned long rcustate;
+
+        /*
          * Fences for the various phases in the request's lifetime.
          *
          * The submit fence is used to await upon all of the request's