// SPDX-License-Identifier: GPL-2.0 #include <linux/debugfs.h> #include <linux/seq_file.h> #include <asm/ptdump.h> static int ptdump_show(struct seq_file *m, void *v) { struct ptdump_info *info = m->private; ptdump_walk_pgd(m, info); return 0; } DEFINE_SHOW_ATTRIBUTE(ptdump); int ptdump_debugfs_register(struct ptdump_info *info, const char *name) { struct dentry *pe; pe = debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); return pe ? 0 : -ENOMEM; }