arch/mn10300/kernel/init_task.c

   1 /* MN10300 Initial task definitions
   2  *
   3  * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
   4  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11 #include <linux/mm.h>
  12 #include <linux/module.h>
  13 #include <linux/sched.h>
  14 #include <linux/init.h>
  15 #include <linux/init_task.h>
  16 #include <linux/fs.h>
  17 #include <linux/mqueue.h>
  18 #include <asm/uaccess.h>
  19 #include <asm/pgtable.h>
  20
  21 static struct fs_struct init_fs = INIT_FS;
  22 static struct files_struct init_files = INIT_FILES;
  23 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  24 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  25 struct mm_struct init_mm = INIT_MM(init_mm);
  26 EXPORT_SYMBOL(init_mm);
  27
  28 /*
  29  * Initial thread structure.
  30  *
  31  * We need to make sure that this is THREAD_SIZE aligned due to the
  32  * way process stacks are handled. This is done by having a special
  33  * "init_task" linker map entry..
  34  */
  35 union thread_union init_thread_union
  36         __attribute__((__section__(".data.init_task"))) =
  37                 { INIT_THREAD_INFO(init_task) };
  38
  39 /*
  40  * Initial task structure.
  41  *
  42  * All other task structs will be allocated on slabs in fork.c
  43  */
  44 struct task_struct init_task = INIT_TASK(init_task);
  45 EXPORT_SYMBOL(init_task);