374 	 * the section may be 'offline' but 'valid'. Only  in pfn_to_online_page()
380 	/* The presence of a pgmap indicates ZONE_DEVICE offline pfn */  in pfn_to_online_page()
1087  * This function should only be called by memory_block_{online,offline},
1088  * and {online,offline}_pages.
1142 	 * left offline.  in mhp_init_memmap_on_memory()
1156 	 * the case, mark those sections offline here as otherwise they will be  in mhp_deinit_memmap_on_memory()
1270 	 * Completely offline nodes stay around and they just need  in hotadd_init_pgdat()
1499  * and online/offline operations (triggered e.g. by sysfs).
1899 /* check which state of node_states will be changed when offline memory */
1912 	 * If the memory to be offline is within the range  in node_states_check_changes_offline()
1982 	 * Don't allow to offline memory blocks that contain holes.  in offline_pages()
2082 	/* Mark all sections offline and remove free pages from the buddy. */  in offline_pages()
2087 	 * The memory sections are marked offline, and the pageblock flags  in offline_pages()
2177 			 * offline this node.  in check_cpu_on_node()
2201  * Offline a node if all memory sections and cpus of the node are removed.
2204  * and online/offline operations before this call.
2212 	 * offline it. A node spans memory after move_pfn_range_to_zone(),  in try_offline_node()
2219 	 * Especially offline memory blocks might not be spanned by the  in try_offline_node()
2231 	 * all memory/cpu of this node are removed, we can offline this  in try_offline_node()
2267 	 * whether all memory blocks in question are offline and return error  in try_remove_memory()
2271 	 * we'd only try to offline the last determined one -- which is good  in try_remove_memory()
2313  * __remove_memory - Remove memory if every memory block is offline
2318  * and online/offline operations before this call, as required by
2333  * Remove memory if every memory block is offline, otherwise return -EBUSY is
2334  * some memory is not offline
2373 	/* Ignore if already offline. */  in try_offline_memory_block()
2396  * Try to offline and remove memory. Might take a long time to finish in case
2398  * unplugged all memory (so it's no longer in use) and want to offline + remove
2433 	 * In case we succeeded to offline all memory, remove it.  in offline_and_remove_memory()