15 	unsigned long flags, pfn;  in set_migratetype_isolate()  local
24 	pfn = page_to_pfn(page);  in set_migratetype_isolate()
25 	arg.start_pfn = pfn;  in set_migratetype_isolate()
132 __first_valid_page(unsigned long pfn, unsigned long nr_pages)  in __first_valid_page()  argument
136 		if (pfn_valid_within(pfn + i))  in __first_valid_page()
140 	return pfn_to_page(pfn + i);  in __first_valid_page()
160 	unsigned long pfn;  in start_isolate_page_range()  local
167 	for (pfn = start_pfn;  in start_isolate_page_range()
168 	     pfn < end_pfn;  in start_isolate_page_range()
169 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
170 		page = __first_valid_page(pfn, pageblock_nr_pages);  in start_isolate_page_range()
173 			undo_pfn = pfn;  in start_isolate_page_range()
179 	for (pfn = start_pfn;  in start_isolate_page_range()
180 	     pfn < undo_pfn;  in start_isolate_page_range()
181 	     pfn += pageblock_nr_pages)  in start_isolate_page_range()
182 		unset_migratetype_isolate(pfn_to_page(pfn), migratetype);  in start_isolate_page_range()
193 	unsigned long pfn;  in undo_isolate_page_range()  local
197 	for (pfn = start_pfn;  in undo_isolate_page_range()
198 	     pfn < end_pfn;  in undo_isolate_page_range()
199 	     pfn += pageblock_nr_pages) {  in undo_isolate_page_range()
200 		page = __first_valid_page(pfn, pageblock_nr_pages);  in undo_isolate_page_range()
215 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
220 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
221 		if (!pfn_valid_within(pfn)) {  in __test_page_isolated_in_pageblock()
222 			pfn++;  in __test_page_isolated_in_pageblock()
225 		page = pfn_to_page(pfn);  in __test_page_isolated_in_pageblock()
241 			pfn += 1 << page_order(page);  in __test_page_isolated_in_pageblock()
245 			pfn += 1;  in __test_page_isolated_in_pageblock()
251 			pfn++;  in __test_page_isolated_in_pageblock()
257 	if (pfn < end_pfn)  in __test_page_isolated_in_pageblock()
265 	unsigned long pfn, flags;  in test_pages_isolated()  local
275 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
276 		page = __first_valid_page(pfn, pageblock_nr_pages);  in test_pages_isolated()
281 	if ((pfn < end_pfn) || !page)  in test_pages_isolated()