76 	unsigned long pfn = PHYS_PFN(range->start);  in pfn_first()  local
79 		return pfn;  in pfn_first()
80 	return pfn + vmem_altmap_offset(pgmap_altmap(pgmap));  in pfn_first()
83 bool pgmap_pfn_valid(struct dev_pagemap *pgmap, unsigned long pfn)  in pgmap_pfn_valid()  argument
90 		if (pfn >= PHYS_PFN(range->start) &&  in pgmap_pfn_valid()
91 		    pfn <= PHYS_PFN(range->end))  in pgmap_pfn_valid()
92 			return pfn >= pfn_first(pgmap, i);  in pgmap_pfn_valid()
105 static unsigned long pfn_next(unsigned long pfn)  in pfn_next()  argument
107 	if (pfn % 1024 == 0)  in pfn_next()
109 	return pfn + 1;  in pfn_next()
112 #define for_each_device_pfn(pfn, map, i) \  argument
113 	for (pfn = pfn_first(map, i); pfn < pfn_end(map, i); pfn = pfn_next(pfn))
170 	unsigned long pfn;  in memunmap_pages()  local
175 		for_each_device_pfn(pfn, pgmap, i)  in memunmap_pages()
176 			put_page(pfn_to_page(pfn));  in memunmap_pages()
470 struct dev_pagemap *get_dev_pagemap(unsigned long pfn,  in get_dev_pagemap()  argument
473 	resource_size_t phys = PFN_PHYS(pfn);  in get_dev_pagemap()