BrotherJing

#include<stdio.h>
#include<string.h>

int main(){
	FILE *fp;
	int v=0;
	int val;
	char s[20],ch;
	
	fp = fopen("/proc/mtest","w+");

BrotherJing

#include<linux/module.h>
#include<linux/kernel.h>
#include<linux/string.h>
#include<linux/vmalloc.h>
#include<linux/mm.h>
#include<linux/init.h>
#include<linux/proc_fs.h>
#include<linux/sched.h>
#include<linux/uaccess.h>
#include<linux/fs.h>

BrotherJing

/*
#
# Makefile for the linux RomFS filesystem routines.
#
obj-m := romfs.o
romfs-y := storage.o super.o
all:
	make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) modules
clean:
	make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) clean

BrotherJing

// include/linux/sched.h

struct task_struct {
	int ctx;
	volatile long state;	/* -1 unrunnable, 0 runnable, >0 stopped */
	void *stack;
	atomic_t usage;
	unsigned int flags;	/* per process flags, defined below */
	unsigned int ptrace;
  //...

BrotherJing

#include<linux/module.h>
#include<linux/init.h>
#include<linux/proc_fs.h>
#include<linux/sched.h>
#include<linux/uaccess.h>
#include<linux/fs.h>
#include<linux/seq_file.h>
#include<linux/slab.h>

static char *str = NULL;