187 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in start_isolate_page_range()  argument
195 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in start_isolate_page_range()
198 	     pfn < end_pfn;  in start_isolate_page_range()
224 int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in undo_isolate_page_range()  argument
231 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in undo_isolate_page_range()
234 	     pfn < end_pfn;  in undo_isolate_page_range()
251 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
256 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
280 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()
303 	pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn,  in test_pages_isolated()
307 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);  in test_pages_isolated()
309 	return pfn < end_pfn ? -EBUSY : 0;  in test_pages_isolated()