751 	unsigned long pfn = pte_pfn(pte);  in vm_normal_page()  local
758 		if (!is_zero_pfn(pfn))  in vm_normal_page()
767 			if (!pfn_valid(pfn))  in vm_normal_page()
773 			if (pfn == vma->vm_pgoff + off)  in vm_normal_page()
780 	if (is_zero_pfn(pfn))  in vm_normal_page()
783 	if (unlikely(pfn > highest_memmap_pfn)) {  in vm_normal_page()
793 	return pfn_to_page(pfn);  in vm_normal_page()
1543 			unsigned long pfn, pgprot_t prot)  in insert_pfn()  argument
1559 	entry = pte_mkspecial(pfn_pte(pfn, prot));  in insert_pfn()
1588 			unsigned long pfn)  in vm_insert_pfn()  argument
1602 	BUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn));  in vm_insert_pfn()
1606 	if (track_pfn_insert(vma, &pgprot, pfn))  in vm_insert_pfn()
1609 	ret = insert_pfn(vma, addr, pfn, pgprot);  in vm_insert_pfn()
1616 			unsigned long pfn)  in vm_insert_mixed()  argument
1630 	if (!HAVE_PTE_SPECIAL && pfn_valid(pfn)) {  in vm_insert_mixed()
1633 		page = pfn_to_page(pfn);  in vm_insert_mixed()
1636 	return insert_pfn(vma, addr, pfn, vma->vm_page_prot);  in vm_insert_mixed()
1647 			unsigned long pfn, pgprot_t prot)  in remap_pte_range()  argument
1658 		set_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot)));  in remap_pte_range()
1659 		pfn++;  in remap_pte_range()
1668 			unsigned long pfn, pgprot_t prot)  in remap_pmd_range()  argument
1673 	pfn -= addr >> PAGE_SHIFT;  in remap_pmd_range()
1681 				pfn + (addr >> PAGE_SHIFT), prot))  in remap_pmd_range()
1689 			unsigned long pfn, pgprot_t prot)  in remap_pud_range()  argument
1694 	pfn -= addr >> PAGE_SHIFT;  in remap_pud_range()
1701 				pfn + (addr >> PAGE_SHIFT), prot))  in remap_pud_range()
1718 		    unsigned long pfn, unsigned long size, pgprot_t prot)  in remap_pfn_range()  argument
1747 		vma->vm_pgoff = pfn;  in remap_pfn_range()
1750 	err = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size));  in remap_pfn_range()
1757 	pfn -= addr >> PAGE_SHIFT;  in remap_pfn_range()
1763 				pfn + (addr >> PAGE_SHIFT), prot);  in remap_pfn_range()
1769 		untrack_pfn(vma, pfn, PAGE_ALIGN(size));  in remap_pfn_range()
1790 	unsigned long vm_len, pfn, pages;  in vm_iomap_memory()  local
1801 	pfn = start >> PAGE_SHIFT;  in vm_iomap_memory()
1803 	if (pfn + pages < pfn)  in vm_iomap_memory()
1809 	pfn += vma->vm_pgoff;  in vm_iomap_memory()
1818 	return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);  in vm_iomap_memory()
3466 	unsigned long *pfn)  in follow_pfn()  argument
3478 	*pfn = pte_pfn(*ptep);  in follow_pfn()