vmap_pages_range
int vmap_pages_range(unsigned long addr, unsigned long end, pgprot_t prot,
err = vmap_pages_range(addr, addr + size, PAGE_KERNEL, pages, shift);
vmap_pages_range(phys_end, phys_end + (nr << PAGE_SHIFT), PAGE_KERNEL,
if (vmap_pages_range(addr, addr + size, PAGE_KERNEL,
if (vmap_pages_range(addr, addr + size, pgprot_nx(prot),
return vmap_pages_range(start, end, PAGE_KERNEL, pages, PAGE_SHIFT);