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Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.h')
-rw-r--r--drivers/gpu/drm/i915/i915_request.h8
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