init_task.c 2.0 KB

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  1. /*
  2. * File: arch/blackfin/kernel/init_task.c
  3. * Based on:
  4. * Author:
  5. *
  6. * Created:
  7. * Description: This file contains the simple DMA Implementation for Blackfin
  8. *
  9. * Modified:
  10. * Copyright 2004-2006 Analog Devices Inc.
  11. *
  12. * Bugs: Enter bugs at http://blackfin.uclinux.org/
  13. *
  14. * This program is free software; you can redistribute it and/or modify
  15. * it under the terms of the GNU General Public License as published by
  16. * the Free Software Foundation; either version 2 of the License, or
  17. * (at your option) any later version.
  18. *
  19. * This program is distributed in the hope that it will be useful,
  20. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22. * GNU General Public License for more details.
  23. *
  24. * You should have received a copy of the GNU General Public License
  25. * along with this program; if not, see the file COPYING, or write
  26. * to the Free Software Foundation, Inc.,
  27. * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  28. */
  29. #include <linux/mm.h>
  30. #include <linux/module.h>
  31. #include <linux/init_task.h>
  32. #include <linux/mqueue.h>
  33. #include <linux/fs.h>
  34. static struct fs_struct init_fs = INIT_FS;
  35. static struct files_struct init_files = INIT_FILES;
  36. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  37. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  38. struct mm_struct init_mm = INIT_MM(init_mm);
  39. EXPORT_SYMBOL(init_mm);
  40. /*
  41. * Initial task structure.
  42. *
  43. * All other task structs will be allocated on slabs in fork.c
  44. */
  45. struct task_struct init_task = INIT_TASK(init_task);
  46. EXPORT_SYMBOL(init_task);
  47. /*
  48. * Initial thread structure.
  49. *
  50. * We need to make sure that this is 8192-byte aligned due to the
  51. * way process stacks are handled. This is done by having a special
  52. * "init_task" linker map entry.
  53. */
  54. union thread_union init_thread_union
  55. __attribute__ ((__section__(".data.init_task"))) = {
  56. INIT_THREAD_INFO(init_task)};