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Linux kernel mirror (for testing)
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linux
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#ifdef CONFIG_NET
20extern int proc_net_init(void);
21#else
22static inline int proc_net_init(void) { return 0; }
23#endif
24
25struct vmalloc_info {
26 unsigned long used;
27 unsigned long largest_chunk;
28};
29
30extern struct mm_struct *mm_for_maps(struct task_struct *);
31
32#ifdef CONFIG_MMU
33#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
34extern void get_vmalloc_info(struct vmalloc_info *vmi);
35#else
36
37#define VMALLOC_TOTAL 0UL
38#define get_vmalloc_info(vmi) \
39do { \
40 (vmi)->used = 0; \
41 (vmi)->largest_chunk = 0; \
42} while(0)
43
44extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
45#endif
46
47extern int maps_protect;
48
49extern void create_seq_entry(char *name, mode_t mode,
50 const struct file_operations *f);
51extern int proc_exe_link(struct inode *, struct path *);
52extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns,
53 struct pid *pid, struct task_struct *task);
54extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
55 struct pid *pid, struct task_struct *task);
56extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
57 struct pid *pid, struct task_struct *task);
58extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
59 struct pid *pid, struct task_struct *task);
60extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
61
62extern const struct file_operations proc_maps_operations;
63extern const struct file_operations proc_numa_maps_operations;
64extern const struct file_operations proc_smaps_operations;
65extern const struct file_operations proc_clear_refs_operations;
66extern const struct file_operations proc_pagemap_operations;
67
68void free_proc_entry(struct proc_dir_entry *de);
69
70int proc_init_inodecache(void);
71
72static inline struct pid *proc_pid(struct inode *inode)
73{
74 return PROC_I(inode)->pid;
75}
76
77static inline struct task_struct *get_proc_task(struct inode *inode)
78{
79 return get_pid_task(proc_pid(inode), PIDTYPE_PID);
80}
81
82static inline int proc_fd(struct inode *inode)
83{
84 return PROC_I(inode)->fd;
85}