locking: percpu-rwsem: export percpu_free_rwsem function

[hercules2020/nv-tegra/linux-4.4.git] / kernel / locking / percpu-rwsem.c

diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c
index 67e182440f765ea49b4246b855e72f0df9b023c3..ce182599cf2e98b51831adbf5dca6ce545df0d7f 100644 (file)
--- a/kernel/locking/percpu-rwsem.c
+++ b/kernel/locking/percpu-rwsem.c
@@ -37,6 +37,7 @@ void percpu_free_rwsem(struct percpu_rw_semaphore *sem)
        free_percpu(sem->read_count);
        sem->read_count = NULL; /* catch use after free bugs */
 }
+EXPORT_SYMBOL_GPL(percpu_free_rwsem);
 
 int __percpu_down_read(struct percpu_rw_semaphore *sem, int try)
 {