set_memory_np
err = set_memory_np(addr, numpages);
return set_memory_np(kbuffer, pagecount);
int set_memory_np(unsigned long addr, int numpages);
set_memory_np((unsigned long)__va(iommu_bus_base),
set_memory_np((unsigned long)phys_to_virt(start_paddr), nr_pages);
set_memory_np(begin, (end - begin) >> PAGE_SHIFT);
rc = set_memory_np(decoy_addr, 1);