persistent_keyring_expiry  256 security/keys/internal.h extern unsigned persistent_keyring_expiry;
persistent_keyring_expiry   13 security/keys/persistent.c unsigned persistent_keyring_expiry = 3 * 24 * 3600; /* Expire after 3 days of non-use */
persistent_keyring_expiry  116 security/keys/persistent.c 			key_set_timeout(persistent, persistent_keyring_expiry);
persistent_keyring_expiry   61 security/keys/sysctl.c 		.data = &persistent_keyring_expiry,