Merge branches 'doc.2013.08.19a', 'fixes.2013.08.20a', 'sysidle.2013.08.31a' and...

[firefly-linux-kernel-4.4.55.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 75324d8157e3ff601f390de149bfe491ca77d007..50d04b92cedaf900532f72d1acef35d04d7ecb69 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -322,8 +322,6 @@ extern unsigned long
 arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
                          unsigned long len, unsigned long pgoff,
                          unsigned long flags);
-extern void arch_unmap_area(struct mm_struct *, unsigned long);
-extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long);
 #else
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
@@ -2434,6 +2432,15 @@ extern int __cond_resched_softirq(void);
        __cond_resched_softirq();                                       \
 })
 
+static inline void cond_resched_rcu(void)
+{
+#if defined(CONFIG_DEBUG_ATOMIC_SLEEP) || !defined(CONFIG_PREEMPT_RCU)
+       rcu_read_unlock();
+       cond_resched();
+       rcu_read_lock();
+#endif
+}
+
 /*
  * Does a critical section need to be broken due to another
  * task waiting?: (technically does not depend on CONFIG_PREEMPT,