TOMOYO: Add garbage collector.

This patch adds garbage collector support to TOMOYO.
Elements are protected by "struct srcu_struct tomoyo_ss".

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 521b4b5addaf..1c8c97a4c069 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -638,6 +638,11 @@ int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
                                     struct file *filp);
 int tomoyo_find_next_domain(struct linux_binprm *bprm);
 
+/* Run garbage collector. */
+void tomoyo_run_gc(void);
+
+void tomoyo_memory_free(void *ptr);
+
 /********** External variable definitions. **********/
 
 /* Lock for GC. */
@@ -646,6 +651,16 @@ extern struct srcu_struct tomoyo_ss;
 /* The list for "struct tomoyo_domain_info". */
 extern struct list_head tomoyo_domain_list;
 
+extern struct list_head tomoyo_domain_initializer_list;
+extern struct list_head tomoyo_domain_keeper_list;
+extern struct list_head tomoyo_alias_list;
+extern struct list_head tomoyo_globally_readable_list;
+extern struct list_head tomoyo_pattern_list;
+extern struct list_head tomoyo_no_rewrite_list;
+extern struct list_head tomoyo_policy_manager_list;
+extern struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
+extern struct mutex tomoyo_name_list_lock;
+
 /* Lock for protecting policy. */
 extern struct mutex tomoyo_policy_lock;