init_task.c 1.2 KB

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  1. /*
  2. * linux/arch/arm/kernel/init_task.c
  3. */
  4. #include <linux/mm.h>
  5. #include <linux/module.h>
  6. #include <linux/fs.h>
  7. #include <linux/sched.h>
  8. #include <linux/init.h>
  9. #include <linux/init_task.h>
  10. #include <linux/mqueue.h>
  11. #include <asm/uaccess.h>
  12. #include <asm/pgtable.h>
  13. static struct fs_struct init_fs = INIT_FS;
  14. static struct files_struct init_files = INIT_FILES;
  15. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  16. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  17. struct mm_struct init_mm = INIT_MM(init_mm);
  18. EXPORT_SYMBOL(init_mm);
  19. /*
  20. * Initial thread structure.
  21. *
  22. * We need to make sure that this is 8192-byte aligned due to the
  23. * way process stacks are handled. This is done by making sure
  24. * the linker maps this in the .text segment right after head.S,
  25. * and making head.S ensure the proper alignment.
  26. *
  27. * The things we do for performance..
  28. */
  29. union thread_union init_thread_union
  30. __attribute__((__section__(".init.task"))) =
  31. { INIT_THREAD_INFO(init_task) };
  32. /*
  33. * Initial task structure.
  34. *
  35. * All other task structs will be allocated on slabs in fork.c
  36. */
  37. struct task_struct init_task = INIT_TASK(init_task);
  38. EXPORT_SYMBOL(init_task);