162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include <linux/debugfs.h> 362306a36Sopenharmony_ci#include <linux/memory_hotplug.h> 462306a36Sopenharmony_ci#include <linux/seq_file.h> 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <asm/ptdump.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_cistatic int ptdump_show(struct seq_file *m, void *v) 962306a36Sopenharmony_ci{ 1062306a36Sopenharmony_ci struct ptdump_info *info = m->private; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci get_online_mems(); 1362306a36Sopenharmony_ci ptdump_walk(m, info); 1462306a36Sopenharmony_ci put_online_mems(); 1562306a36Sopenharmony_ci return 0; 1662306a36Sopenharmony_ci} 1762306a36Sopenharmony_ciDEFINE_SHOW_ATTRIBUTE(ptdump); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_civoid __init ptdump_debugfs_register(struct ptdump_info *info, const char *name) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); 2262306a36Sopenharmony_ci} 23