workqueue: Add workqueue_attrs->__pod_cpumask

[linux-2.6-microblaze.git] / include / linux / workqueue.h

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 568cfbc..fe53976 100644 (file)
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -150,9 +150,25 @@ struct workqueue_attrs {
 
        /**
         * @cpumask: allowed CPUs
+        *
+        * Work items in this workqueue are affine to these CPUs and not allowed
+        * to execute on other CPUs. A pool serving a workqueue must have the
+        * same @cpumask.
         */
        cpumask_var_t cpumask;
 
+       /**
+        * @__pod_cpumask: internal attribute used to create per-pod pools
+        *
+        * Internal use only.
+        *
+        * Per-pod unbound worker pools are used to improve locality. Always a
+        * subset of ->cpumask. A workqueue can be associated with multiple
+        * worker pools with disjoint @__pod_cpumask's. Whether the enforcement
+        * of a pool's @__pod_cpumask is strict depends on @affn_strict.
+        */
+       cpumask_var_t __pod_cpumask;
+
        /*
         * Below fields aren't properties of a worker_pool. They only modify how
         * :c:func:`apply_workqueue_attrs` select pools and thus don't