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rcu: Use wrapper function instead of exporting tasklist_lock
[safe/jmp/linux-2.6]
/
kernel
/
fork.c
diff --git
a/kernel/fork.c
b/kernel/fork.c
index
17bbf09
..
8691c54
100644
(file)
--- a/
kernel/fork.c
+++ b/
kernel/fork.c
@@
-86,7
+86,14
@@
int max_threads; /* tunable limit on nr_threads */
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
-EXPORT_SYMBOL_GPL(tasklist_lock);
+
+#ifdef CONFIG_PROVE_RCU
+int lockdep_tasklist_lock_is_held(void)
+{
+ return lockdep_is_held(&tasklist_lock);
+}
+EXPORT_SYMBOL_GPL(lockdep_tasklist_lock_is_held);
+#endif /* #ifdef CONFIG_PROVE_RCU */
int nr_processes(void)
{
int nr_processes(void)
{