__add_memory
rc = __add_memory(nid, lmb->base_addr, block_sz, MHP_MEMMAP_ON_MEMORY);
result = __add_memory(mgid, info->start_addr, info->length,
ret = __add_memory(nid, phys_addr,
rc = __add_memory(0, addr, block_size,
extern int __add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
rc = __add_memory(nid, start, size, mhp_flags);