rcu: Shrink TINY_RCU by moving exit_rcu()

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

diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 4e56a9c69a356ca73fcd06cf775f337276f77f2e..e31005ee339ebde022bd7dabace245ee79474d9b 100644 (file)
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -27,10 +27,6 @@
 
 #include <linux/cache.h>
 
-static inline void rcu_init(void)
-{
-}
-
 static inline void rcu_barrier_bh(void)
 {
        wait_rcu_gp(call_rcu_bh);
@@ -41,8 +37,6 @@ static inline void rcu_barrier_sched(void)
        wait_rcu_gp(call_rcu_sched);
 }
 
-#ifdef CONFIG_TINY_RCU
-
 static inline void synchronize_rcu_expedited(void)
 {
        synchronize_sched();    /* Only one CPU, so pretty fast anyway!!! */
@@ -53,17 +47,6 @@ static inline void rcu_barrier(void)
        rcu_barrier_sched();  /* Only one CPU, so only one list of callbacks! */
 }
 
-#else /* #ifdef CONFIG_TINY_RCU */
-
-void synchronize_rcu_expedited(void);
-
-static inline void rcu_barrier(void)
-{
-       wait_rcu_gp(call_rcu);
-}
-
-#endif /* #else #ifdef CONFIG_TINY_RCU */
-
 static inline void synchronize_rcu_bh(void)
 {
        synchronize_sched();
@@ -85,35 +68,15 @@ static inline void kfree_call_rcu(struct rcu_head *head,
        call_rcu(head, func);
 }
 
-#ifdef CONFIG_TINY_RCU
-
-static inline void rcu_preempt_note_context_switch(void)
-{
-}
-
 static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 {
        *delta_jiffies = ULONG_MAX;
        return 0;
 }
 
-#else /* #ifdef CONFIG_TINY_RCU */
-
-void rcu_preempt_note_context_switch(void);
-int rcu_preempt_needs_cpu(void);
-
-static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
-{
-       *delta_jiffies = ULONG_MAX;
-       return rcu_preempt_needs_cpu();
-}
-
-#endif /* #else #ifdef CONFIG_TINY_RCU */
-
 static inline void rcu_note_context_switch(int cpu)
 {
        rcu_sched_qs(cpu);
-       rcu_preempt_note_context_switch();
 }
 
 /*
@@ -156,6 +119,10 @@ static inline void rcu_cpu_stall_reset(void)
 {
 }
 
+static inline void exit_rcu(void)
+{
+}
+
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 extern int rcu_scheduler_active __read_mostly;
 extern void rcu_scheduler_starting(void);