rhashtable: ensure cache line alignment on bucket_table

[mirror_ubuntu-artful-kernel.git] / include / linux / rhashtable.h

diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 58851275fed98c352fdd4995e95f1ebe806649e7..cb2104be2135d2278f37cc8f87c0f21d08107987 100644 (file)
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -54,10 +54,11 @@ struct rhash_head {
  * @buckets: size * hash buckets
  */
 struct bucket_table {
-       size_t                          size;
-       unsigned int                    locks_mask;
-       spinlock_t                      *locks;
-       struct rhash_head __rcu         *buckets[];
+       size_t                  size;
+       unsigned int            locks_mask;
+       spinlock_t              *locks;
+
+       struct rhash_head __rcu *buckets[] ____cacheline_aligned_in_smp;
 };
 
 typedef u32 (*rht_hashfn_t)(const void *data, u32 len, u32 seed);