remap_oldmem_pfn_range
if (remap_oldmem_pfn_range(vma, from + len,
if (remap_oldmem_pfn_range(vma, from + len,
if (remap_oldmem_pfn_range(vma, from + len, pos_start,
ret = remap_oldmem_pfn_range(vma, from, pfn, size, prot);
extern int remap_oldmem_pfn_range(struct vm_area_struct *vma,