sadb_sa_len 34 include/uapi/linux/pfkeyv2.h __u16 sadb_sa_len; sadb_sa_len 840 net/key/af_key.c sa->sadb_sa_len = sizeof(struct sadb_sa)/sizeof(uint64_t); sadb_sa_len 3380 net/key/af_key.c sa->sadb_sa_len = sizeof(struct sadb_sa)/sizeof(uint64_t);