73 	unsigned long pfn, buddy_pfn;  in unset_migratetype_isolate()  local
92 			pfn = page_to_pfn(page);  in unset_migratetype_isolate()
93 			buddy_pfn = __find_buddy_pfn(pfn, order);  in unset_migratetype_isolate()
94 			buddy = page + (buddy_pfn - pfn);  in unset_migratetype_isolate()
127 __first_valid_page(unsigned long pfn, unsigned long nr_pages)  in __first_valid_page()  argument
134 		page = pfn_to_online_page(pfn + i);  in __first_valid_page()
187 	unsigned long pfn;  in start_isolate_page_range()  local
194 	for (pfn = start_pfn;  in start_isolate_page_range()
195 	     pfn < end_pfn;  in start_isolate_page_range()
196 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
197 		page = __first_valid_page(pfn, pageblock_nr_pages);  in start_isolate_page_range()
200 				undo_pfn = pfn;  in start_isolate_page_range()
209 	for (pfn = start_pfn;  in start_isolate_page_range()
210 	     pfn < undo_pfn;  in start_isolate_page_range()
211 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
212 		struct page *page = pfn_to_online_page(pfn);  in start_isolate_page_range()
227 	unsigned long pfn;  in undo_isolate_page_range()  local
233 	for (pfn = start_pfn;  in undo_isolate_page_range()
234 	     pfn < end_pfn;  in undo_isolate_page_range()
235 	     pfn += pageblock_nr_pages) {  in undo_isolate_page_range()
236 		page = __first_valid_page(pfn, pageblock_nr_pages);  in undo_isolate_page_range()
250 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
255 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
256 		if (!pfn_valid_within(pfn)) {  in __test_page_isolated_in_pageblock()
257 			pfn++;  in __test_page_isolated_in_pageblock()
260 		page = pfn_to_page(pfn);  in __test_page_isolated_in_pageblock()
267 			pfn += 1 << buddy_order(page);  in __test_page_isolated_in_pageblock()
270 			pfn++;  in __test_page_isolated_in_pageblock()
278 			pfn++;  in __test_page_isolated_in_pageblock()
283 	if (pfn < end_pfn)  in __test_page_isolated_in_pageblock()
287 	return pfn;  in __test_page_isolated_in_pageblock()
294 	unsigned long pfn, flags;  in test_pages_isolated()  local
303 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
304 		page = __first_valid_page(pfn, pageblock_nr_pages);  in test_pages_isolated()
309 	if ((pfn < end_pfn) || !page)  in test_pages_isolated()
314 	pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn, isol_flags);  in test_pages_isolated()
317 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);  in test_pages_isolated()
318 	if (pfn < end_pfn) {  in test_pages_isolated()
319 		page_pinner_failure_detect(pfn_to_page(pfn));  in test_pages_isolated()
321 			*failed_pfn = pfn;  in test_pages_isolated()