undo_isolate_page_range 21 include/linux/page-isolation.h undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn); undo_isolate_page_range 830 mm/memory_hotplug.c undo_isolate_page_range(start_pfn, end_pfn); undo_isolate_page_range 848 mm/memory_hotplug.c undo_isolate_page_range(start_pfn, end_pfn);