1 files changed, 6 insertions, 3 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 35e7389c2011..5afdfd5dc39b 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -241,20 +241,23 @@ struct irq_affinity_notify {
         void (*release)(struct kref *ref);
 };
 
+#define IRQ_AFFINITY_MAX_SETS  4
+
 /**
  * struct irq_affinity - Description for automatic irq affinity assignements
  * @pre_vectors:        Don't apply affinity to @pre_vectors at beginning of
  *                      the MSI(-X) vector space
  * @post_vectors:       Don't apply affinity to @post_vectors at end of
  *                      the MSI(-X) vector space
- * @nr_sets:            Length of passed in *sets array
- * @sets:               Number of affinitized sets
+ * @nr_sets:            The number of interrupt sets for which affinity
+ *                      spreading is required
+ * @set_size:           Array holding the size of each interrupt set
  */
 struct irq_affinity {
         unsigned int    pre_vectors;
         unsigned int    post_vectors;
         unsigned int    nr_sets;
-        unsigned int    *sets;
+        unsigned int    set_size[IRQ_AFFINITY_MAX_SETS];
 };
 
 /**