16 	unsigned long flags, pfn;  in set_migratetype_isolate()  local
25 	pfn = page_to_pfn(page);  in set_migratetype_isolate()
26 	arg.start_pfn = pfn;  in set_migratetype_isolate()
133 __first_valid_page(unsigned long pfn, unsigned long nr_pages)  in __first_valid_page()  argument
137 		if (pfn_valid_within(pfn + i))  in __first_valid_page()
141 	return pfn_to_page(pfn + i);  in __first_valid_page()
161 	unsigned long pfn;  in start_isolate_page_range()  local
168 	for (pfn = start_pfn;  in start_isolate_page_range()
169 	     pfn < end_pfn;  in start_isolate_page_range()
170 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
171 		page = __first_valid_page(pfn, pageblock_nr_pages);  in start_isolate_page_range()
174 			undo_pfn = pfn;  in start_isolate_page_range()
180 	for (pfn = start_pfn;  in start_isolate_page_range()
181 	     pfn < undo_pfn;  in start_isolate_page_range()
182 	     pfn += pageblock_nr_pages)  in start_isolate_page_range()
183 		unset_migratetype_isolate(pfn_to_page(pfn), migratetype);  in start_isolate_page_range()
194 	unsigned long pfn;  in undo_isolate_page_range()  local
198 	for (pfn = start_pfn;  in undo_isolate_page_range()
199 	     pfn < end_pfn;  in undo_isolate_page_range()
200 	     pfn += pageblock_nr_pages) {  in undo_isolate_page_range()
201 		page = __first_valid_page(pfn, pageblock_nr_pages);  in undo_isolate_page_range()
216 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
221 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
222 		if (!pfn_valid_within(pfn)) {  in __test_page_isolated_in_pageblock()
223 			pfn++;  in __test_page_isolated_in_pageblock()
226 		page = pfn_to_page(pfn);  in __test_page_isolated_in_pageblock()
233 			pfn += 1 << page_order(page);  in __test_page_isolated_in_pageblock()
236 			pfn++;  in __test_page_isolated_in_pageblock()
240 	if (pfn < end_pfn)  in __test_page_isolated_in_pageblock()
248 	unsigned long pfn, flags;  in test_pages_isolated()  local
258 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
259 		page = __first_valid_page(pfn, pageblock_nr_pages);  in test_pages_isolated()
264 	if ((pfn < end_pfn) || !page)  in test_pages_isolated()