linux/arch/ia64/kernel/init_task.c
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   1/*
   2 * This is where we statically allocate and initialize the initial
   3 * task.
   4 *
   5 * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co
   6 *      David Mosberger-Tang <davidm@hpl.hp.com>
   7 */
   8
   9#include <linux/init.h>
  10#include <linux/mm.h>
  11#include <linux/fs.h>
  12#include <linux/module.h>
  13#include <linux/sched.h>
  14#include <linux/init_task.h>
  15#include <linux/mqueue.h>
  16
  17#include <asm/uaccess.h>
  18#include <asm/pgtable.h>
  19
  20static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  21static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  22/*
  23 * Initial task structure.
  24 *
  25 * We need to make sure that this is properly aligned due to the way process stacks are
  26 * handled. This is done by having a special ".data..init_task" section...
  27 */
  28#define init_thread_info        init_task_mem.s.thread_info
  29
  30union {
  31        struct {
  32                struct task_struct task;
  33                struct thread_info thread_info;
  34        } s;
  35        unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)];
  36} init_task_mem asm ("init_task") __init_task_data =
  37        {{
  38        .task =         INIT_TASK(init_task_mem.s.task),
  39        .thread_info =  INIT_THREAD_INFO(init_task_mem.s.task)
  40}};
  41
  42EXPORT_SYMBOL(init_task);
  43