sem_free_security 1680 include/linux/lsm_hooks.h void (*sem_free_security)(struct kern_ipc_perm *perm); sem_free_security 1964 include/linux/lsm_hooks.h struct hlist_head sem_free_security; sem_free_security 1849 security/security.c call_void_hook(sem_free_security, sma);