linux/fs/proc/cpuinfo.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/cpufreq.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>

extern const struct seq_operations cpuinfo_op;

static int cpuinfo_open(struct inode *inode, struct file *file)
{ … }

static const struct proc_ops cpuinfo_proc_ops = …;

static int __init proc_cpuinfo_init(void)
{ … }
fs_initcall(proc_cpuinfo_init);