big_key_aead_lock 95 security/keys/big_key.c static DEFINE_MUTEX(big_key_aead_lock); big_key_aead_lock 121 security/keys/big_key.c mutex_lock(&big_key_aead_lock); big_key_aead_lock 131 security/keys/big_key.c mutex_unlock(&big_key_aead_lock);