membarrier: Provide register expedited private command

[sfrench/cifs-2.6.git] / include / linux / mm_types.h

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 46f4ecf5479adbb2829c26e63d5e56b20e779312..1861ea8dba775989dcf298cb77d92ef9429fa221 100644 (file)
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -445,6 +445,9 @@ struct mm_struct {
        unsigned long flags; /* Must use atomic bitops to access the bits */
 
        struct core_state *core_state; /* coredumping support */
+#ifdef CONFIG_MEMBARRIER
+       atomic_t membarrier_state;
+#endif
 #ifdef CONFIG_AIO
        spinlock_t                      ioctx_lock;
        struct kioctx_table __rcu       *ioctx_table;