internal.h 2.1 KB

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  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. #include <linux/proc_fs.h>
  12. #ifdef CONFIG_PROC_SYSCTL
  13. extern int proc_sys_init(void);
  14. #else
  15. static inline void proc_sys_init(void) { }
  16. #endif
  17. struct vmalloc_info {
  18. unsigned long used;
  19. unsigned long largest_chunk;
  20. };
  21. #ifdef CONFIG_MMU
  22. #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
  23. extern void get_vmalloc_info(struct vmalloc_info *vmi);
  24. #else
  25. #define VMALLOC_TOTAL 0UL
  26. #define get_vmalloc_info(vmi) \
  27. do { \
  28. (vmi)->used = 0; \
  29. (vmi)->largest_chunk = 0; \
  30. } while(0)
  31. extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
  32. #endif
  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. extern const struct file_operations proc_maps_operations;
  40. extern const struct file_operations proc_numa_maps_operations;
  41. extern const struct file_operations proc_smaps_operations;
  42. extern const struct file_operations proc_maps_operations;
  43. extern const struct file_operations proc_numa_maps_operations;
  44. extern const struct file_operations proc_smaps_operations;
  45. void free_proc_entry(struct proc_dir_entry *de);
  46. int proc_init_inodecache(void);
  47. static inline struct pid *proc_pid(struct inode *inode)
  48. {
  49. return PROC_I(inode)->pid;
  50. }
  51. static inline struct task_struct *get_proc_task(struct inode *inode)
  52. {
  53. return get_pid_task(proc_pid(inode), PIDTYPE_PID);
  54. }
  55. static inline int proc_fd(struct inode *inode)
  56. {
  57. return PROC_I(inode)->fd;
  58. }