21 	unsigned long flags, pfn;  in set_migratetype_isolate()  local
38 	pfn = page_to_pfn(page);  in set_migratetype_isolate()
39 	arg.start_pfn = pfn;  in set_migratetype_isolate()
96 	unsigned long pfn, buddy_pfn;  in unset_migratetype_isolate()  local
115 			pfn = page_to_pfn(page);  in unset_migratetype_isolate()
116 			buddy_pfn = __find_buddy_pfn(pfn, order);  in unset_migratetype_isolate()
117 			buddy = page + (buddy_pfn - pfn);  in unset_migratetype_isolate()
147 __first_valid_page(unsigned long pfn, unsigned long nr_pages)  in __first_valid_page()  argument
154 		page = pfn_to_online_page(pfn + i);  in __first_valid_page()
196 	unsigned long pfn;  in start_isolate_page_range()  local
204 	for (pfn = start_pfn;  in start_isolate_page_range()
205 	     pfn < end_pfn;  in start_isolate_page_range()
206 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
207 		page = __first_valid_page(pfn, pageblock_nr_pages);  in start_isolate_page_range()
210 				undo_pfn = pfn;  in start_isolate_page_range()
218 	for (pfn = start_pfn;  in start_isolate_page_range()
219 	     pfn < undo_pfn;  in start_isolate_page_range()
220 	     pfn += pageblock_nr_pages) {  in start_isolate_page_range()
221 		struct page *page = pfn_to_online_page(pfn);  in start_isolate_page_range()
236 	unsigned long pfn;  in undo_isolate_page_range()  local
242 	for (pfn = start_pfn;  in undo_isolate_page_range()
243 	     pfn < end_pfn;  in undo_isolate_page_range()
244 	     pfn += pageblock_nr_pages) {  in undo_isolate_page_range()
245 		page = __first_valid_page(pfn, pageblock_nr_pages);  in undo_isolate_page_range()
259 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
264 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
265 		if (!pfn_valid_within(pfn)) {  in __test_page_isolated_in_pageblock()
266 			pfn++;  in __test_page_isolated_in_pageblock()
269 		page = pfn_to_page(pfn);  in __test_page_isolated_in_pageblock()
276 			pfn += 1 << page_order(page);  in __test_page_isolated_in_pageblock()
279 			pfn++;  in __test_page_isolated_in_pageblock()
284 	return pfn;  in __test_page_isolated_in_pageblock()
291 	unsigned long pfn, flags;  in test_pages_isolated()  local
300 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
301 		page = __first_valid_page(pfn, pageblock_nr_pages);  in test_pages_isolated()
306 	if ((pfn < end_pfn) || !page)  in test_pages_isolated()
311 	pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn,  in test_pages_isolated()
315 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);  in test_pages_isolated()
317 	return pfn < end_pfn ? -EBUSY : 0;  in test_pages_isolated()