| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> | 
| Alexey Dobriyan | 4e950f6 | 2007-07-30 02:36:13 +0400 | [diff] [blame] | 11 | #include <linux/fs.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); | 
 | 21 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |  | 
 | 30 | union { | 
 | 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") __attribute__((section(".data.init_task"))) = {{ | 
 | 37 | 	.task =		INIT_TASK(init_task_mem.s.task), | 
 | 38 | 	.thread_info =	INIT_THREAD_INFO(init_task_mem.s.task) | 
 | 39 | }}; | 
 | 40 |  | 
 | 41 | EXPORT_SYMBOL(init_task); |