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1da177e4 LT |
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 | ||
05565b65 | 14 | #ifdef CONFIG_PROC_SYSCTL |
77b14db5 | 15 | extern int proc_sys_init(void); |
05565b65 AM |
16 | #else |
17 | static inline void proc_sys_init(void) { } | |
18 | #endif | |
457c4cbc EB |
19 | #ifdef CONFIG_NET |
20 | extern int proc_net_init(void); | |
21 | #else | |
22 | static inline int proc_net_init(void) { return 0; } | |
23 | #endif | |
77b14db5 | 24 | |
1da177e4 LT |
25 | struct 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) | |
32 | extern void get_vmalloc_info(struct vmalloc_info *vmi); | |
33 | #else | |
34 | ||
35 | #define VMALLOC_TOTAL 0UL | |
36 | #define get_vmalloc_info(vmi) \ | |
37 | do { \ | |
38 | (vmi)->used = 0; \ | |
39 | (vmi)->largest_chunk = 0; \ | |
40 | } while(0) | |
41 | ||
dbf8685c | 42 | extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); |
1da177e4 LT |
43 | #endif |
44 | ||
5096add8 KC |
45 | extern int maps_protect; |
46 | ||
99ac48f5 | 47 | extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); |
1da177e4 LT |
48 | extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); |
49 | extern int proc_tid_stat(struct task_struct *, char *); | |
50 | extern int proc_tgid_stat(struct task_struct *, char *); | |
51 | extern int proc_pid_status(struct task_struct *, char *); | |
52 | extern int proc_pid_statm(struct task_struct *, char *); | |
53 | ||
00977a59 AV |
54 | extern const struct file_operations proc_maps_operations; |
55 | extern const struct file_operations proc_numa_maps_operations; | |
56 | extern const struct file_operations proc_smaps_operations; | |
662795de | 57 | |
00977a59 AV |
58 | extern const struct file_operations proc_maps_operations; |
59 | extern const struct file_operations proc_numa_maps_operations; | |
60 | extern const struct file_operations proc_smaps_operations; | |
99f89551 EB |
61 | |
62 | ||
fee781e6 AB |
63 | void free_proc_entry(struct proc_dir_entry *de); |
64 | ||
65 | int proc_init_inodecache(void); | |
66 | ||
13b41b09 | 67 | static inline struct pid *proc_pid(struct inode *inode) |
99f89551 | 68 | { |
13b41b09 | 69 | return PROC_I(inode)->pid; |
99f89551 EB |
70 | } |
71 | ||
72 | static inline struct task_struct *get_proc_task(struct inode *inode) | |
1da177e4 | 73 | { |
13b41b09 | 74 | return get_pid_task(proc_pid(inode), PIDTYPE_PID); |
1da177e4 LT |
75 | } |
76 | ||
aed7a6c4 | 77 | static inline int proc_fd(struct inode *inode) |
1da177e4 | 78 | { |
aed7a6c4 | 79 | return PROC_I(inode)->fd; |
1da177e4 | 80 | } |
e1a1c997 EB |
81 | |
82 | extern struct file_system_type proc_fs_type; |