/* internal.h: internal procfs definitions
   *
   * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
   * Written by David Howells (dhowells@redhat.com)
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #include <linux/proc_fs.h>

  #ifdef CONFIG_PROC_SYSCTL

  extern int proc_sys_init(void);

  #else
  static inline void proc_sys_init(void) { }
  #endif

  struct vmalloc_info {
  	unsigned long	used;
  	unsigned long	largest_chunk;
  };
  
  #ifdef CONFIG_MMU
  #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
  extern void get_vmalloc_info(struct vmalloc_info *vmi);
  #else
  
  #define VMALLOC_TOTAL 0UL
  #define get_vmalloc_info(vmi)			\
  do {						\
  	(vmi)->used = 0;			\
  	(vmi)->largest_chunk = 0;		\
  } while(0)

  extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);

  #endif

  extern int maps_protect;

  extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);

  extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
  extern int proc_tid_stat(struct task_struct *,  char *);
  extern int proc_tgid_stat(struct task_struct *, char *);
  extern int proc_pid_status(struct task_struct *, char *);
  extern int proc_pid_statm(struct task_struct *, char *);

  extern const struct file_operations proc_maps_operations;
  extern const struct file_operations proc_numa_maps_operations;
  extern const struct file_operations proc_smaps_operations;

  extern const struct file_operations proc_maps_operations;
  extern const struct file_operations proc_numa_maps_operations;
  extern const struct file_operations proc_smaps_operations;

  void free_proc_entry(struct proc_dir_entry *de);
  
  int proc_init_inodecache(void);

  static inline struct pid *proc_pid(struct inode *inode)

  {

  	return PROC_I(inode)->pid;

  }
  
  static inline struct task_struct *get_proc_task(struct inode *inode)

  {

  	return get_pid_task(proc_pid(inode), PIDTYPE_PID);

  }

  static inline int proc_fd(struct inode *inode)

  {

  	return PROC_I(inode)->fd;

  }