mm/hugetlb.c: fix build failure with !CONFIG_SYSCTL

[deliverable/linux.git] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 8762e8988972baa01820369ba1fd46d7e727d215..d8723a5f6496d05af23445e6ae862754e9d41214 100644 (file)
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -235,7 +235,13 @@ unsigned long max_sane_readahead(unsigned long nr)
 
 static int __init readahead_init(void)
 {
-       return bdi_init(&default_backing_dev_info);
+       int err;
+
+       err = bdi_init(&default_backing_dev_info);
+       if (!err)
+               bdi_register(&default_backing_dev_info, NULL, "default");
+
+       return err;
 }
 subsys_initcall(readahead_init);