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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 14:04:53 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 14:04:53 +1100
commit9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch)
treedb432a17bccca1ca2c16907f0ee83ac449ed4012 /mm/readahead.c
parent0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff)
parent0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff)
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Merge commit 'origin/master' into next
Manual merge of: arch/powerpc/include/asm/elf.h drivers/i2c/busses/i2c-mpc.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.
*/