The freeing action is basically the same in all slab allocators.
Move to the common kmem_cache_destroy() function.
Reviewed-by: Joonsoo Kim <js1304@xxxxxxxxx>
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
---
mm/slab.c | 1 -
mm/slab_common.c | 1 +
mm/slob.c | 2 --
mm/slub.c | 1 -
4 files changed, 1 insertion(+), 4 deletions(-)
Index: linux-2.6/mm/slab_common.c
===================================================================
--- linux-2.6.orig/mm/slab_common.c 2012-08-03 09:02:43.432389623 -0500
+++ linux-2.6/mm/slab_common.c 2012-08-03 09:02:44.064400579 -0500
@@ -144,6 +144,7 @@ void kmem_cache_destroy(struct kmem_cach
rcu_barrier();
__kmem_cache_destroy(s);
+ kmem_cache_free(kmem_cache, s);
} else {
list_add(&s->list, &slab_caches);
printk(KERN_ERR "kmem_cache_destroy %s: Slab cache still has objects\n",
Index: linux-2.6/mm/slob.c
===================================================================
--- linux-2.6.orig/mm/slob.c 2012-08-03 09:02:43.436389695 -0500
+++ linux-2.6/mm/slob.c 2012-08-03 09:02:44.064400579 -0500
@@ -540,8 +540,6 @@ struct kmem_cache *__kmem_cache_create(c
void __kmem_cache_destroy(struct kmem_cache *c)
{
- kmemleak_free(c);
- slob_free(c, sizeof(struct kmem_cache));
}
void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
Index: linux-2.6/mm/slab.c
===================================================================
--- linux-2.6.orig/mm/slab.c 2012-08-03 09:02:43.432389623 -0500
+++ linux-2.6/mm/slab.c 2012-08-03 09:02:44.064400579 -0500
@@ -2222,7 +2222,6 @@ void __kmem_cache_destroy(struct kmem_ca
kfree(l3);
}
}
- kmem_cache_free(kmem_cache, cachep);
}
Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c 2012-08-03 09:02:43.436389695 -0500
+++ linux-2.6/mm/slub.c 2012-08-03 09:02:44.064400579 -0500
@@ -213,7 +213,6 @@ static inline int sysfs_slab_alias(struc
static inline void sysfs_slab_remove(struct kmem_cache *s)
{
kfree(s->name);
- kmem_cache_free(kmem_cache, s);
}
#endif
@@ -5199,7 +5198,6 @@ static void kmem_cache_release(struct ko
struct kmem_cache *s = to_slab(kobj);
kfree(s->name);
- kmem_cache_free(kmem_cache, s);
}
static const struct sysfs_ops slab_sysfs_ops = {
--
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