X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=mm%2Freadahead.c;h=c9c50ca1ec3866b839a85173f3d416a1b17211d1;hb=e4aed6cc45f06acd35e3dfbbaf632c5d5aa897c0;hp=229788884010d18a8dba50f65dbcfe7bb37df744;hpb=92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0;p=powerpc.git

diff --git a/mm/readahead.c b/mm/readahead.c
index 2297888840..c9c50ca1ec 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -233,6 +233,12 @@ unsigned long max_sane_readahead(unsigned long nr)
 		+ node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
 }
 
+static int __init readahead_init(void)
+{
+	return bdi_init(&default_backing_dev_info);
+}
+subsys_initcall(readahead_init);
+
 /*
  * Submit IO for the read-ahead request in file_ra_state.
  */