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 struct vmalloc_info { 15 unsigned long used; 16 unsigned long largest_chunk; 17 }; 18 19 #ifdef CONFIG_MMU 20 #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) 21 extern void get_vmalloc_info(struct vmalloc_info *vmi); 22 #else 23 24 #define VMALLOC_TOTAL 0UL 25 #define get_vmalloc_info(vmi) \ 26 do { \ 27 (vmi)->used = 0; \ 28 (vmi)->largest_chunk = 0; \ 29 } while(0) 30 31 #endif 32 33 extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); 34 extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); 35 extern int proc_tid_stat(struct task_struct *, char *); 36 extern int proc_tgid_stat(struct task_struct *, char *); 37 extern int proc_pid_status(struct task_struct *, char *); 38 extern int proc_pid_statm(struct task_struct *, char *); 39 40 void free_proc_entry(struct proc_dir_entry *de); 41 42 int proc_init_inodecache(void); 43 44 static inline struct task_struct *proc_task(struct inode *inode) 45 { 46 return PROC_I(inode)->task; 47 } 48 49 static inline int proc_type(struct inode *inode) 50 { 51 return PROC_I(inode)->type; 52 } 53