#ifndef _LINUX_COREDUMP_H
  #define _LINUX_COREDUMP_H
  
  #include <linux/types.h>
  #include <linux/mm.h>
  #include <linux/fs.h>
  
  /*
   * These are the only things you should do on a core-file: use only these
   * functions to write out all the necessary info.
   */

  extern int dump_write(struct file *file, const void *addr, int nr);
  extern int dump_seek(struct file *file, loff_t off);

  
  #endif /* _LINUX_COREDUMP_H */