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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#include <linux/mm.h>
Paul Gortmaker73bc2562011-07-23 16:30:40 -04002#include <linux/export.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07003#include <linux/sched.h>
4#include <linux/init_task.h>
5#include <linux/fs.h>
6#include <linux/mqueue.h>
7
8#include <asm/thread_info.h>
9#include <asm/uaccess.h>
10#include <asm/pgtable.h>
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
13static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
Linus Torvalds1da177e2005-04-16 15:20:36 -070014/*
15 * Initial thread structure.
16 *
17 * We need to make sure that this is 8192-byte aligned due to the
18 * way process stacks are handled. This is done by making sure
19 * the linker maps this in the .text segment right after head.S,
20 * and making head.S ensure the proper alignment.
21 *
22 * The things we do for performance..
23 */
Joe Perchesd200c922009-09-20 18:14:13 -040024union thread_union init_thread_union __init_task_data
25 __attribute__((__aligned__(THREAD_SIZE))) =
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 { INIT_THREAD_INFO(init_task) };
27
28/*
29 * Initial task structure.
30 *
31 * All other task structs will be allocated on slabs in fork.c
32 */
33struct task_struct init_task = INIT_TASK(init_task);
34
35EXPORT_SYMBOL(init_task);