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>
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 634f744..3a36b56 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1067,7 +1067,7 @@
*
* # cat /sys/kernel/security/tomoyo/manager
*/
-static LIST_HEAD(tomoyo_policy_manager_list);
+LIST_HEAD(tomoyo_policy_manager_list);
/**
* tomoyo_update_manager_entry - Add a manager entry.
@@ -2109,6 +2109,7 @@
static int tomoyo_close_control(struct file *file)
{
struct tomoyo_io_buffer *head = file->private_data;
+ const bool is_write = !!head->write_buf;
tomoyo_read_unlock(head->reader_idx);
/* Release memory used for policy I/O. */
@@ -2119,6 +2120,8 @@
kfree(head);
head = NULL;
file->private_data = NULL;
+ if (is_write)
+ tomoyo_run_gc();
return 0;
}