595 	unsigned long blockpfn = *start_pfn;  in isolate_freepages_block()  local
602 	page = pfn_to_page(blockpfn);  in isolate_freepages_block()
605 	for (; blockpfn < end_pfn; blockpfn += stride, page += stride) {  in isolate_freepages_block()
613 		if (!(blockpfn % COMPACT_CLUSTER_MAX)  in isolate_freepages_block()
630 				blockpfn += (1UL << order) - 1;  in isolate_freepages_block()
663 			blockpfn += isolated;  in isolate_freepages_block()
667 		blockpfn += isolated - 1;  in isolate_freepages_block()
684 	if (unlikely(blockpfn > end_pfn))  in isolate_freepages_block()
685 		blockpfn = end_pfn;  in isolate_freepages_block()
687 	trace_mm_compaction_isolate_freepages(*start_pfn, blockpfn,  in isolate_freepages_block()
691 	*start_pfn = blockpfn;  in isolate_freepages_block()
698 	if (strict && blockpfn < end_pfn)  in isolate_freepages_block()