43 	struct memtrace_entry *ent = filp->private_data;  in memtrace_read()  local
45 	return simple_read_from_buffer(ubuf, count, ppos, ent->mem, ent->size);  in memtrace_read()
200 		struct memtrace_entry *ent = &memtrace_array[i];  in memtrace_init_debugfs()  local
202 		ent->mem = ioremap(ent->start, ent->size);  in memtrace_init_debugfs()
204 		if (!ent->mem) {  in memtrace_init_debugfs()
206 				 ent->start);  in memtrace_init_debugfs()
211 		snprintf(ent->name, 16, "%08x", ent->nid);  in memtrace_init_debugfs()
212 		dir = debugfs_create_dir(ent->name, memtrace_debugfs_dir);  in memtrace_init_debugfs()
214 		ent->dir = dir;  in memtrace_init_debugfs()
215 		debugfs_create_file("trace", 0400, dir, ent, &memtrace_fops);  in memtrace_init_debugfs()
216 		debugfs_create_x64("start", 0400, dir, &ent->start);  in memtrace_init_debugfs()
217 		debugfs_create_x64("size", 0400, dir, &ent->size);  in memtrace_init_debugfs()
235 	struct memtrace_entry *ent;  in memtrace_online()  local
238 		ent = &memtrace_array[i];  in memtrace_online()
241 		if (ent->nid == NUMA_NO_NODE)  in memtrace_online()
245 		if (ent->mem) {  in memtrace_online()
246 			iounmap(ent->mem);  in memtrace_online()
247 			ent->mem = 0;  in memtrace_online()
250 		if (add_memory(ent->nid, ent->start, ent->size, MHP_NONE)) {  in memtrace_online()
252 				ent->nid);  in memtrace_online()
258 		walk_memory_blocks(ent->start, ent->size, NULL,  in memtrace_online()
266 		debugfs_remove_recursive(ent->dir);  in memtrace_online()
267 		pr_info("Added trace memory back to node %d\n", ent->nid);  in memtrace_online()
268 		ent->size = ent->start = ent->nid = NUMA_NO_NODE;  in memtrace_online()