arch/blackfin/kernel/init_task.c

   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
  30 #include <linux/mm.h>
  31 #include <linux/module.h>
  32 #include <linux/init_task.h>
  33 #include <linux/mqueue.h>
  34 #include <linux/fs.h>
  35
  36 static struct fs_struct init_fs = INIT_FS;
  37 static struct files_struct init_files = INIT_FILES;
  38 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  39 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  40
  41 struct mm_struct init_mm = INIT_MM(init_mm);
  42 EXPORT_SYMBOL(init_mm);
  43
  44 /*
  45  * Initial task structure.
  46  *
  47  * All other task structs will be allocated on slabs in fork.c
  48  */
  49 struct task_struct init_task = INIT_TASK(init_task);
  50 EXPORT_SYMBOL(init_task);
  51
  52 /*
  53  * Initial thread structure.
  54  *
  55  * We need to make sure that this is 8192-byte aligned due to the
  56  * way process stacks are handled. This is done by having a special
  57  * "init_task" linker map entry.
  58  */
  59 union thread_union init_thread_union
  60     __attribute__ ((__section__(".data.init_task"))) = {
  61 INIT_THREAD_INFO(init_task)};