1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index b758ce17b309..4ccd68e49b00 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -80,6 +80,7 @@ extern void do_trace_rcu_torture_read(char *rcutorturename,
 #define UINT_CMP_LT(a, b)       (UINT_MAX / 2 < (a) - (b))
 #define ULONG_CMP_GE(a, b)      (ULONG_MAX / 2 >= (a) - (b))
 #define ULONG_CMP_LT(a, b)      (ULONG_MAX / 2 < (a) - (b))
+#define ulong2long(a)           (*(long *)(&(a)))
 
 /* Exported common interfaces */
 
@@ -999,4 +1000,11 @@ static inline notrace void rcu_read_unlock_sched_notrace(void)
 #define kfree_rcu(ptr, rcu_head)                                        \
         __kfree_rcu(&((ptr)->rcu_head), offsetof(typeof(*(ptr)), rcu_head))
 
+#ifdef CONFIG_RCU_NOCB_CPU
+extern bool rcu_is_nocb_cpu(int cpu);
+#else
+static inline bool rcu_is_nocb_cpu(int cpu) { return false; }
+#endif /* #else #ifdef CONFIG_RCU_NOCB_CPU */
+
+
 #endif /* __LINUX_RCUPDATE_H */