1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/rcu.h b/kernel/rcu.h
index f600868d550..aa88baab5f7 100644
--- a/kernel/rcu.h
+++ b/kernel/rcu.h
@@ -30,6 +30,13 @@
 #endif /* #else #ifdef CONFIG_RCU_TRACE */
 /*
+ * Process-level increment to ->dynticks_nesting field.  This allows for
+ * architectures that use half-interrupts and half-exceptions from
+ * process context.
+ */
+#define DYNTICK_TASK_NESTING (LLONG_MAX / 2 - 1)
+/*
 * debug_rcu_head_queue()/debug_rcu_head_unqueue() are used internally
 * by call_rcu() and rcu callback execution, and are therefore not part of the
 * RCU API. Leaving in rcupdate.h because they are used by all RCU flavors.

diff --git a/kernel/rcu.h b/kernel/rcu.h index f600868d550..aa88baab5f7 100644 --- a/kernel/rcu.h +++ b/kernel/rcu.h
@@ -30,6 +30,13 @@
30	#endif /* #else #ifdef CONFIG_RCU_TRACE */	30	#endif /* #else #ifdef CONFIG_RCU_TRACE */
31		31
32	/*	32	/*
		33	* Process-level increment to ->dynticks_nesting field. This allows for
		34	* architectures that use half-interrupts and half-exceptions from
		35	* process context.
		36	*/
		37	#define DYNTICK_TASK_NESTING (LLONG_MAX / 2 - 1)
		38
		39	/*
33	* debug_rcu_head_queue()/debug_rcu_head_unqueue() are used internally	40	* debug_rcu_head_queue()/debug_rcu_head_unqueue() are used internally
34	* by call_rcu() and rcu callback execution, and are therefore not part of the	41	* by call_rcu() and rcu callback execution, and are therefore not part of the
35	* RCU API. Leaving in rcupdate.h because they are used by all RCU flavors.	42	* RCU API. Leaving in rcupdate.h because they are used by all RCU flavors.