commit 63310467a3d1ed6a0460ec1f4268126cd1ceec2e
author Christoph Lameter <cl@linux.com> Thu Jan 20 11:12:26 2011 -0600
committer Pekka Enberg <penberg@kernel.org> Sun Jan 23 21:00:05 2011 +0200
tree f5bf7e48fe119bffe1111b50767280c4af310505
parent 1bae4ce27c9c90344f23c65ea6966c50ffeae2f5

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>

include/linux/slab.h

diff --git a/include/linux/slab.h b/include/linux/slab.h
index fa90866..ad4dd1c 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -105,7 +105,6 @@
 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

mm/slab.c

diff --git a/mm/slab.c b/mm/slab.c
index 37961d1..4bab2d1 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2147,8 +2147,6 @@
  *
  * @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 @@
 }
 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.
  */

mm/slob.c

diff --git a/mm/slob.c b/mm/slob.c
index 3588eaa..46e0aee 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -666,12 +666,6 @@
 }
 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;

mm/slub.c

diff --git a/mm/slub.c b/mm/slub.c
index e15aa7f..d2f343a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2399,12 +2399,6 @@
 }
 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)
 {