Commit | Line | Data |
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1da177e4 LT |
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> | |
4e950f6f | 11 | #include <linux/fs.h> |
1da177e4 LT |
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 | ||
1da177e4 LT |
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); | |
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); |