2010-07-09 19:13:53

by Christoph Lameter

[permalink] [raw]
Subject: [S+Q2 17/19] SLUB: Get rid of useless function count_free()

count_free() == available()

Signed-off-by: Christoph Lameter <[email protected]>

---
mm/slub.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c 2010-07-07 10:54:29.000000000 -0500
+++ linux-2.6/mm/slub.c 2010-07-07 10:54:33.000000000 -0500
@@ -1652,11 +1652,6 @@ static inline int node_match(struct kmem
return 1;
}

-static int count_free(struct page *page)
-{
- return available(page);
-}
-
static unsigned long count_partial(struct kmem_cache_node *n,
int (*get_count)(struct page *))
{
@@ -1705,7 +1700,7 @@ slab_out_of_memory(struct kmem_cache *s,
if (!n)
continue;

- nr_free = count_partial(n, count_free);
+ nr_free = count_partial(n, available);
nr_slabs = node_nr_slabs(n);
nr_objs = node_nr_objs(n);

@@ -3835,7 +3830,7 @@ static ssize_t show_slab_objects(struct
x = atomic_long_read(&n->total_objects);
else if (flags & SO_OBJECTS)
x = atomic_long_read(&n->total_objects) -
- count_partial(n, count_free);
+ count_partial(n, available);

else
x = atomic_long_read(&n->nr_slabs);
@@ -4717,7 +4712,7 @@ static int s_show(struct seq_file *m, vo
nr_partials += n->nr_partial;
nr_slabs += atomic_long_read(&n->nr_slabs);
nr_objs += atomic_long_read(&n->total_objects);
- nr_free += count_partial(n, count_free);
+ nr_free += count_partial(n, available);
}

nr_inuse = nr_objs - nr_free;