security/keys/keyring.c

545  * @restriction_key: Keys providing additional data for evaluating restriction.
988  * Semaphore to serialise restriction setup to prevent reference count
989  * cycles through restriction key pointers.
994  * Check for restriction cycles that would prevent keyring garbage collection.
1012  * keyring_restrict - Look up and apply a restriction to a keyring
1014  * @type: The key type that will provide the restriction checker.
1015  * @restriction: The restriction options to apply to the keyring
1017  * Look up a keyring and apply a restriction to it.  The restriction is managed
1019  * the restriction string.
1022 		     const char *restriction)
1048 		restrict_link = restrict_type->lookup_restriction(restriction);
1747  * Garbage collect restriction pointers from a keyring.
1750  * up if the key type is unregistered. The restriction is altered to always
1776 		kleave(" [no restriction gc]");
1793 	kleave(" [restriction gc]");