400 static unsigned long lookup_memtype(u64 paddr)  in lookup_memtype()  argument
405 	if (x86_platform.is_untracked_pat_range(paddr, paddr + PAGE_SIZE))  in lookup_memtype()
408 	if (pat_pagerange_is_ram(paddr, paddr + PAGE_SIZE)) {  in lookup_memtype()
410 		page = pfn_to_page(paddr >> PAGE_SHIFT);  in lookup_memtype()
424 	entry = rbt_memtype_lookup(paddr);  in lookup_memtype()
593 static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,  in reserve_pfn_range()  argument
601 	is_ram = pat_pagerange_is_ram(paddr, paddr + size);  in reserve_pfn_range()
612 		flags = lookup_memtype(paddr);  in reserve_pfn_range()
617 				(unsigned long long)paddr,  in reserve_pfn_range()
618 				(unsigned long long)(paddr + size - 1),  in reserve_pfn_range()
627 	ret = reserve_memtype(paddr, paddr + size, want_flags, &flags);  in reserve_pfn_range()
633 		    !is_new_memtype_allowed(paddr, size, want_flags, flags)) {  in reserve_pfn_range()
634 			free_memtype(paddr, paddr + size);  in reserve_pfn_range()
639 				(unsigned long long)paddr,  in reserve_pfn_range()
640 				(unsigned long long)(paddr + size - 1),  in reserve_pfn_range()
653 	if (kernel_map_sync_memtype(paddr, size, flags) < 0) {  in reserve_pfn_range()
654 		free_memtype(paddr, paddr + size);  in reserve_pfn_range()
664 static void free_pfn_range(u64 paddr, unsigned long size)  in free_pfn_range()  argument
668 	is_ram = pat_pagerange_is_ram(paddr, paddr + size);  in free_pfn_range()
670 		free_memtype(paddr, paddr + size);  in free_pfn_range()
682 	resource_size_t paddr;  in track_pfn_copy()  local
692 		if (follow_phys(vma, vma->vm_start, 0, &prot, &paddr)) {  in track_pfn_copy()
697 		return reserve_pfn_range(paddr, vma_size, &pgprot, 1);  in track_pfn_copy()
711 	resource_size_t paddr = (resource_size_t)pfn << PAGE_SHIFT;  in track_pfn_remap()  local
718 		ret = reserve_pfn_range(paddr, size, prot, 0);  in track_pfn_remap()
731 	flags = lookup_memtype(paddr);  in track_pfn_remap()
736 		paddr += PAGE_SIZE;  in track_pfn_remap()
737 		if (flags != lookup_memtype(paddr))  in track_pfn_remap()
771 	resource_size_t paddr;  in untrack_pfn()  local
778 	paddr = (resource_size_t)pfn << PAGE_SHIFT;  in untrack_pfn()
779 	if (!paddr && !size) {  in untrack_pfn()
780 		if (follow_phys(vma, vma->vm_start, 0, &prot, &paddr)) {  in untrack_pfn()
787 	free_pfn_range(paddr, size);  in untrack_pfn()