init_task.c 1.3 KB

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  1. /*
  2. * linux/arch/arm26/kernel/init_task.c
  3. *
  4. * Copyright (C) 2003 Ian Molton
  5. *
  6. */
  7. #include <linux/mm.h>
  8. #include <linux/module.h>
  9. #include <linux/fs.h>
  10. #include <linux/sched.h>
  11. #include <linux/init.h>
  12. #include <linux/init_task.h>
  13. #include <linux/mqueue.h>
  14. #include <asm/uaccess.h>
  15. #include <asm/pgtable.h>
  16. static struct fs_struct init_fs = INIT_FS;
  17. static struct files_struct init_files = INIT_FILES;
  18. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  19. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  20. struct mm_struct init_mm = INIT_MM(init_mm);
  21. EXPORT_SYMBOL(init_mm);
  22. /*
  23. * Initial thread structure.
  24. *
  25. * We need to make sure that this is 8192-byte aligned due to the
  26. * way process stacks are handled. This is done by making sure
  27. * the linker maps this in the .text segment right after head.S,
  28. * and making the linker scripts ensure the proper alignment.
  29. *
  30. * FIXME - should this be 32K alignment on arm26?
  31. *
  32. * The things we do for performance...
  33. */
  34. union thread_union init_thread_union
  35. __attribute__((__section__(".init.task"))) =
  36. { INIT_THREAD_INFO(init_task) };
  37. /*
  38. * Initial task structure.
  39. *
  40. * All other task structs will be allocated on slabs in fork.c
  41. */
  42. struct task_struct init_task = INIT_TASK(init_task);
  43. EXPORT_SYMBOL(init_task);