vserver 1.9.3

[linux-2.6.git] / security / selinux / ss / avtab.c

diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c
index 8b4f596..66fbdbb 100644 (file)
--- a/security/selinux/ss/avtab.c
+++ b/security/selinux/ss/avtab.c
@@ -28,12 +28,14 @@
  (keyp->source_type << 9)) & \
  AVTAB_HASH_MASK)
 
+static kmem_cache_t *avtab_node_cachep;
+
 static struct avtab_node*
 avtab_insert_node(struct avtab *h, int hvalue, struct avtab_node * prev, struct avtab_node * cur,
                  struct avtab_key *key, struct avtab_datum *datum)
 {
        struct avtab_node * newnode;
-       newnode = (struct avtab_node *) kmalloc(sizeof(struct avtab_node),GFP_KERNEL);
+       newnode = kmem_cache_alloc(avtab_node_cachep, SLAB_KERNEL);
        if (newnode == NULL)
                return NULL;
        memset(newnode, 0, sizeof(struct avtab_node));
@@ -226,7 +228,7 @@ void avtab_destroy(struct avtab *h)
                while (cur != NULL) {
                        temp = cur;
                        cur = cur->next;
-                       kfree(temp);
+                       kmem_cache_free(avtab_node_cachep, temp);
                }
                h->htable[i] = NULL;
        }
@@ -399,3 +401,9 @@ bad:
        goto out;
 }
 
+void avtab_cache_init(void)
+{
+       avtab_node_cachep = kmem_cache_create("avtab_node",
+                                             sizeof(struct avtab_node),
+                                             0, SLAB_PANIC, NULL, NULL);
+}