1/* internal.h: internal procfs definitions 2 * 3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 */ 11 12#include <linux/proc_fs.h> 13 14#ifdef CONFIG_PROC_SYSCTL 15extern int proc_sys_init(void); 16#else 17static inline void proc_sys_init(void) { } 18#endif 19 20struct vmalloc_info { 21 unsigned long used; 22 unsigned long largest_chunk; 23}; 24 25#ifdef CONFIG_MMU 26#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) 27extern void get_vmalloc_info(struct vmalloc_info *vmi); 28#else 29 30#define VMALLOC_TOTAL 0UL 31#define get_vmalloc_info(vmi) \ 32do { \ 33 (vmi)->used = 0; \ 34 (vmi)->largest_chunk = 0; \ 35} while(0) 36 37extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); 38#endif 39 40extern int maps_protect; 41 42extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); 43extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); 44extern int proc_tid_stat(struct task_struct *, char *); 45extern int proc_tgid_stat(struct task_struct *, char *); 46extern int proc_pid_status(struct task_struct *, char *); 47extern int proc_pid_statm(struct task_struct *, char *); 48 49extern const struct file_operations proc_maps_operations; 50extern const struct file_operations proc_numa_maps_operations; 51extern const struct file_operations proc_smaps_operations; 52 53extern const struct file_operations proc_maps_operations; 54extern const struct file_operations proc_numa_maps_operations; 55extern const struct file_operations proc_smaps_operations; 56 57 58void free_proc_entry(struct proc_dir_entry *de); 59 60int proc_init_inodecache(void); 61 62static inline struct pid *proc_pid(struct inode *inode) 63{ 64 return PROC_I(inode)->pid; 65} 66 67static inline struct task_struct *get_proc_task(struct inode *inode) 68{ 69 return get_pid_task(proc_pid(inode), PIDTYPE_PID); 70} 71 72static inline int proc_fd(struct inode *inode) 73{ 74 return PROC_I(inode)->fd; 75} 76