init_task.c 1011 B

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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 <linux/uaccess.h>
  12. #include <asm/pgtable.h>
  13. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  14. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  15. /*
  16. * Initial thread structure.
  17. *
  18. * We need to make sure that this is 8192-byte aligned due to the
  19. * way process stacks are handled. This is done by making sure
  20. * the linker maps this in the .text segment right after head.S,
  21. * and making head.S ensure the proper alignment.
  22. *
  23. * The things we do for performance..
  24. */
  25. union thread_union init_thread_union __init_task_data =
  26. { INIT_THREAD_INFO(init_task) };
  27. /*
  28. * Initial task structure.
  29. *
  30. * All other task structs will be allocated on slabs in fork.c
  31. */
  32. struct task_struct init_task = INIT_TASK(init_task);
  33. EXPORT_SYMBOL(init_task);