ASID_FIRST_VERSION
generation = atomic64_add_return(ASID_FIRST_VERSION,
#define NUM_USER_ASIDS ASID_FIRST_VERSION
static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION);
generation = atomic64_add_return_relaxed(ASID_FIRST_VERSION,
atomic64_set(&asid_generation, ASID_FIRST_VERSION);
generation = atomic64_add_return_relaxed(ASID_FIRST_VERSION(info),
atomic64_set(&info->generation, ASID_FIRST_VERSION(info));