tmpfs: simplify unuse and writepage

[mirror_ubuntu-artful-kernel.git] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 31f698862420021cc9b1e39e608077d1d468730a..919b45eb57ada44f4386ef78a6fad080a0ffc884 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1405,10 +1405,6 @@ EXPORT_SYMBOL(test_set_page_writeback);
  */
 int mapping_tagged(struct address_space *mapping, int tag)
 {
-       int ret;
-       rcu_read_lock();
-       ret = radix_tree_tagged(&mapping->page_tree, tag);
-       rcu_read_unlock();
-       return ret;
+       return radix_tree_tagged(&mapping->page_tree, tag);
 }
 EXPORT_SYMBOL(mapping_tagged);