183 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in start_isolate_page_range()  argument
191 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in start_isolate_page_range()
194 	     pfn < end_pfn;  in start_isolate_page_range()
221 void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,  in undo_isolate_page_range()  argument
228 	BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));  in undo_isolate_page_range()
231 	     pfn < end_pfn;  in undo_isolate_page_range()
247 __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,  in __test_page_isolated_in_pageblock()  argument
252 	while (pfn < end_pfn) {  in __test_page_isolated_in_pageblock()
284 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,  in test_pages_isolated()  argument
296 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {  in test_pages_isolated()
301 	page = __first_valid_page(start_pfn, end_pfn - start_pfn);  in test_pages_isolated()
302 	if ((pfn < end_pfn) || !page)  in test_pages_isolated()
307 	pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn, isol_flags);  in test_pages_isolated()
310 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);  in test_pages_isolated()
312 	return pfn < end_pfn ? -EBUSY : 0;  in test_pages_isolated()