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