| 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); | 
|  | 22 | struct mm_struct init_mm = INIT_MM(init_mm); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 |  | 
|  | 24 | EXPORT_SYMBOL(init_mm); | 
|  | 25 |  | 
|  | 26 | /* | 
|  | 27 | * Initial task structure. | 
|  | 28 | * | 
|  | 29 | * We need to make sure that this is properly aligned due to the way process stacks are | 
|  | 30 | * handled. This is done by having a special ".data.init_task" section... | 
|  | 31 | */ | 
|  | 32 | #define init_thread_info	init_task_mem.s.thread_info | 
|  | 33 |  | 
|  | 34 | union { | 
|  | 35 | struct { | 
|  | 36 | struct task_struct task; | 
|  | 37 | struct thread_info thread_info; | 
|  | 38 | } s; | 
|  | 39 | unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)]; | 
|  | 40 | } init_task_mem asm ("init_task") __attribute__((section(".data.init_task"))) = {{ | 
|  | 41 | .task =		INIT_TASK(init_task_mem.s.task), | 
|  | 42 | .thread_info =	INIT_THREAD_INFO(init_task_mem.s.task) | 
|  | 43 | }}; | 
|  | 44 |  | 
|  | 45 | EXPORT_SYMBOL(init_task); |