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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-28 20:29:51 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-28 20:29:51 +0000
commited40d0c472b136682b2fcba05f89762859c7374f (patch)
tree076b83a26bcd63d6158463735dd34c10bbc591dc /mm/readahead.c
parent9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff)
parent5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff)
Merge branch 'origin' into devel
Conflicts: sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'mm/readahead.c')
-rw-r--r--mm/readahead.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index bec83c15a78..9ce303d4b81 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -17,19 +17,6 @@
#include <linux/pagevec.h>
#include <linux/pagemap.h>
-void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
-{
-}
-EXPORT_SYMBOL(default_unplug_io_fn);
-
-struct backing_dev_info default_backing_dev_info = {
- .ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE,
- .state = 0,
- .capabilities = BDI_CAP_MAP_COPY,
- .unplug_io_fn = default_unplug_io_fn,
-};
-EXPORT_SYMBOL_GPL(default_backing_dev_info);
-
/*
* Initialise a struct file's readahead state. Assumes that the caller has
* memset *ra to zero.
@@ -233,18 +220,6 @@ unsigned long max_sane_readahead(unsigned long nr)
+ node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
}
-static int __init readahead_init(void)
-{
- 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);
-
/*
* Submit IO for the read-ahead request in file_ra_state.
*/