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()
50 	struct memtrace_entry *ent = filp->private_data;  in memtrace_mmap()  local
52 	if (ent->size < vma->vm_end - vma->vm_start)  in memtrace_mmap()
55 	if (vma->vm_pgoff << PAGE_SHIFT >= ent->size)  in memtrace_mmap()
59 	return remap_pfn_range(vma, vma->vm_start, PHYS_PFN(ent->start) + vma->vm_pgoff,  in memtrace_mmap()
190 		struct memtrace_entry *ent = &memtrace_array[i];  in memtrace_init_debugfs()  local
192 		ent->mem = ioremap(ent->start, ent->size);  in memtrace_init_debugfs()
194 		if (!ent->mem) {  in memtrace_init_debugfs()
196 				 ent->start);  in memtrace_init_debugfs()
201 		snprintf(ent->name, 16, "%08x", ent->nid);  in memtrace_init_debugfs()
202 		dir = debugfs_create_dir(ent->name, memtrace_debugfs_dir);  in memtrace_init_debugfs()
204 		ent->dir = dir;  in memtrace_init_debugfs()
205 		debugfs_create_file_unsafe("trace", 0600, dir, ent, &memtrace_fops);  in memtrace_init_debugfs()
206 		debugfs_create_x64("start", 0400, dir, &ent->start);  in memtrace_init_debugfs()
207 		debugfs_create_x64("size", 0400, dir, &ent->size);  in memtrace_init_debugfs()
239 	struct memtrace_entry *ent;  in memtrace_free_regions()  local
242 		ent = &memtrace_array[i];  in memtrace_free_regions()
245 		if (ent->nid == NUMA_NO_NODE)  in memtrace_free_regions()
249 		if (ent->mem) {  in memtrace_free_regions()
250 			iounmap(ent->mem);  in memtrace_free_regions()
251 			ent->mem = 0;  in memtrace_free_regions()
254 		if (memtrace_free(ent->nid, ent->start, ent->size)) {  in memtrace_free_regions()
256 				ent->nid);  in memtrace_free_regions()
265 		debugfs_remove_recursive(ent->dir);  in memtrace_free_regions()
266 		pr_info("Freed trace memory back on node %d\n", ent->nid);  in memtrace_free_regions()
267 		ent->size = ent->start = ent->nid = NUMA_NO_NODE;  in memtrace_free_regions()