atomic_long_add_return_relaxed
ver = atomic_long_add_return_relaxed(BIT(SATP_ASID_BITS), ¤t_version);
long val = atomic_long_add_return_relaxed(nr_entries, &si->inuse_pages);
nr_lazy = atomic_long_add_return_relaxed(va_size(va) >> PAGE_SHIFT,