mm/sl[aou]b: Move kmem_cache refcounting to common code
Get rid of the refcount stuff in the allocators and do that part of
kmem_cache management in the common code.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/mm/slab.c b/mm/slab.c
index f1f6d54..11d9af5 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2555,7 +2555,6 @@
*/
BUG_ON(ZERO_OR_NULL_PTR(cachep->slabp_cache));
}
- cachep->refcount = 1;
err = setup_cpu_cache(cachep, gfp);
if (err) {
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 8a85a19..651a3c6 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -125,11 +125,12 @@
}
err = __kmem_cache_create(s, flags);
- if (!err)
+ if (!err) {
+ s->refcount = 1;
list_add(&s->list, &slab_caches);
- else {
+ } else {
kfree(s->name);
kmem_cache_free(kmem_cache, s);
}
diff --git a/mm/slob.c b/mm/slob.c
index cac05d9..3edfeaa 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -524,7 +524,6 @@
if (c->align < align)
c->align = align;
- c->refcount = 1;
return 0;
}
diff --git a/mm/slub.c b/mm/slub.c
index d8ee419..0b122d8 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3093,7 +3093,6 @@
else
s->cpu_partial = 30;
- s->refcount = 1;
#ifdef CONFIG_NUMA
s->remote_node_defrag_ratio = 1000;
#endif