45 	struct memtrace_entry *ent = filp->private_data;  in memtrace_read()  local
47 	return simple_read_from_buffer(ubuf, count, ppos, ent->mem, ent->size);  in memtrace_read()
180 		struct memtrace_entry *ent = &memtrace_array[i];  in memtrace_init_debugfs()  local
182 		ent->mem = ioremap(ent->start, ent->size);  in memtrace_init_debugfs()
184 		if (!ent->mem) {  in memtrace_init_debugfs()
186 				 ent->start);  in memtrace_init_debugfs()
191 		snprintf(ent->name, 16, "%08x", ent->nid);  in memtrace_init_debugfs()
192 		dir = debugfs_create_dir(ent->name, memtrace_debugfs_dir);  in memtrace_init_debugfs()
195 				ent->nid);  in memtrace_init_debugfs()
199 		ent->dir = dir;  in memtrace_init_debugfs()
200 		debugfs_create_file("trace", 0400, dir, ent, &memtrace_fops);  in memtrace_init_debugfs()
201 		debugfs_create_x64("start", 0400, dir, &ent->start);  in memtrace_init_debugfs()
202 		debugfs_create_x64("size", 0400, dir, &ent->size);  in memtrace_init_debugfs()
220 	struct memtrace_entry *ent;  in memtrace_online()  local
223 		ent = &memtrace_array[i];  in memtrace_online()
226 		if (ent->nid == -1)  in memtrace_online()
230 		if (ent->mem) {  in memtrace_online()
231 			iounmap(ent->mem);  in memtrace_online()
232 			ent->mem = 0;  in memtrace_online()
235 		if (add_memory(ent->nid, ent->start, ent->size)) {  in memtrace_online()
237 				ent->nid);  in memtrace_online()
248 			walk_memory_range(PFN_DOWN(ent->start),  in memtrace_online()
249 					  PFN_UP(ent->start + ent->size - 1),  in memtrace_online()
258 		debugfs_remove_recursive(ent->dir);  in memtrace_online()
259 		pr_info("Added trace memory back to node %d\n", ent->nid);  in memtrace_online()
260 		ent->size = ent->start = ent->nid = -1;  in memtrace_online()