Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[deliverable/linux.git] / include / linux / lockdep.h

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 64c7425afbcec6036f25385b15c1e566be3d92bb..72d6dea7fac1acd6a0e7863e4579f111f781cbc5 100644 (file)
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -510,6 +510,7 @@ static inline void print_irqtrace_events(struct task_struct *curr)
 
 #define lock_map_acquire(l)                    lock_acquire_exclusive(l, 0, 0, NULL, _THIS_IP_)
 #define lock_map_acquire_read(l)               lock_acquire_shared_recursive(l, 0, 0, NULL, _THIS_IP_)
+#define lock_map_acquire_tryread(l)            lock_acquire_shared_recursive(l, 0, 1, NULL, _THIS_IP_)
 #define lock_map_release(l)                    lock_release(l, 1, _THIS_IP_)
 
 #ifdef CONFIG_PROVE_LOCKING