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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
30#ifdef CONFIG_MMU
31#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
32extern void get_vmalloc_info(struct vmalloc_info *vmi);
33#else
34
35#define VMALLOC_TOTAL 0UL
36#define get_vmalloc_info(vmi) \
37do { \
38 (vmi)->used = 0; \
39 (vmi)->largest_chunk = 0; \
40} while(0)
41
42extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
43#endif
44
45extern int maps_protect;
46
47extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
48extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
49extern int proc_tid_stat(struct task_struct *, char *);
50extern int proc_tgid_stat(struct task_struct *, char *);
51extern int proc_pid_status(struct task_struct *, char *);
52extern int proc_pid_statm(struct task_struct *, char *);
53
54extern const struct file_operations proc_maps_operations;
55extern const struct file_operations proc_numa_maps_operations;
56extern const struct file_operations proc_smaps_operations;
57
58extern const struct file_operations proc_maps_operations;
59extern const struct file_operations proc_numa_maps_operations;
60extern const struct file_operations proc_smaps_operations;
61
62
63void free_proc_entry(struct proc_dir_entry *de);
64
65int proc_init_inodecache(void);
66
67static inline struct pid *proc_pid(struct inode *inode)
68{
69 return PROC_I(inode)->pid;
70}
71
72static inline struct task_struct *get_proc_task(struct inode *inode)
73{
74 return get_pid_task(proc_pid(inode), PIDTYPE_PID);
75}
76
77static inline int proc_fd(struct inode *inode)
78{
79 return PROC_I(inode)->fd;
80}