182 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in start_isolate_page_range()  argument
190 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in start_isolate_page_range()
193 	     pfn < end_pfn;  in start_isolate_page_range()
220 void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in undo_isolate_page_range()  argument
227 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in undo_isolate_page_range()
230 	     pfn < end_pfn;  in undo_isolate_page_range()
246 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
251 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
279 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,  in test_pages_isolated()  argument
292 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
297 	page = __first_valid_page(start_pfn, end_pfn - start_pfn);  in test_pages_isolated()
298 	if ((pfn < end_pfn) || !page) {  in test_pages_isolated()
306 	pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn, isol_flags);  in test_pages_isolated()
309 	ret = pfn < end_pfn ? -EBUSY : 0;  in test_pages_isolated()
312 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);  in test_pages_isolated()