Revert "unexport bio_{,un}map_user"

[linux-2.6-omap-h63xx.git] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 229788884010d18a8dba50f65dbcfe7bb37df744..c9c50ca1ec3866b839a85173f3d416a1b17211d1 100644 (file)
--- 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.
  */