mm: Remove support for kmem_cache_name()

The last user was ext4 and Eric Sandeen removed the call in a recent patch. See
the following URL for the discussion:

http://marc.info/?l=linux-ext4&m=129546975702198&w=2

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

diff --git a/include/linux/slab.h b/include/linux/slab.h
index fa9086647eb7aef52284006c575e716703bb17de..ad4dd1c8d30aadcdee4dec8d95524d77df7a74a3 100644 (file)
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -105,7 +105,6 @@ void kmem_cache_destroy(struct kmem_cache *);
 int kmem_cache_shrink(struct kmem_cache *);
 void kmem_cache_free(struct kmem_cache *, void *);
 unsigned int kmem_cache_size(struct kmem_cache *);
-const char *kmem_cache_name(struct kmem_cache *);
 
 /*
  * Please use this macro to create slab caches. Simply specify the

diff --git a/mm/slab.c b/mm/slab.c
index 37961d1f584fed737f52a9981673bc7be9011efe..4bab2d1a8291eac4966c73129985b348b33a1c50 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2147,8 +2147,6 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
  *
  * @name must be valid until the cache is destroyed. This implies that
  * the module calling this has to destroy the cache before getting unloaded.
- * Note that kmem_cache_name() is not guaranteed to return the same pointer,
- * therefore applications must manage it themselves.
  *
  * The flags are
  *
@@ -3840,12 +3838,6 @@ unsigned int kmem_cache_size(struct kmem_cache *cachep)
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
-const char *kmem_cache_name(struct kmem_cache *cachep)
-{
-       return cachep->name;
-}
-EXPORT_SYMBOL_GPL(kmem_cache_name);
-
 /*
  * This initializes kmem_list3 or resizes various caches for all nodes.
  */

diff --git a/mm/slob.c b/mm/slob.c
index 3588eaaef7267284ed6fb2a0d6475717ed622db5..46e0aee33a235068bcaf6144dc299ed0ff248991 100644 (file)
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -666,12 +666,6 @@ unsigned int kmem_cache_size(struct kmem_cache *c)
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
-const char *kmem_cache_name(struct kmem_cache *c)
-{
-       return c->name;
-}
-EXPORT_SYMBOL(kmem_cache_name);
-
 int kmem_cache_shrink(struct kmem_cache *d)
 {
        return 0;

diff --git a/mm/slub.c b/mm/slub.c
index e15aa7f193c9734518f3c3508210c70f294e4ad3..d2f343a54bad2e266e6c0e5e7ee8aad33e1e170c 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2399,12 +2399,6 @@ unsigned int kmem_cache_size(struct kmem_cache *s)
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
-const char *kmem_cache_name(struct kmem_cache *s)
-{
-       return s->name;
-}
-EXPORT_SYMBOL(kmem_cache_name);
-
 static void list_slab_objects(struct kmem_cache *s, struct page *page,
                                                        const char *text)
 {