x86, nmi: fix build
[linux-2.6-block.git] / arch / x86 / kernel / init_task.c
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1da177e4
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1#include <linux/mm.h>
2#include <linux/module.h>
3#include <linux/sched.h>
4#include <linux/init.h>
5#include <linux/init_task.h>
6#include <linux/fs.h>
7#include <linux/mqueue.h>
8
9#include <asm/uaccess.h>
10#include <asm/pgtable.h>
11#include <asm/desc.h>
12
13static struct fs_struct init_fs = INIT_FS;
14static struct files_struct init_files = INIT_FILES;
15static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
16static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
17struct mm_struct init_mm = INIT_MM(init_mm);
757265b8 18EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
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19
20/*
21 * Initial thread structure.
22 *
23 * We need to make sure that this is THREAD_SIZE aligned due to the
24 * way process stacks are handled. This is done by having a special
25 * "init_task" linker map entry..
26 */
77788878 27union thread_union init_thread_union
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28 __attribute__((__section__(".data.init_task"))) =
29 { INIT_THREAD_INFO(init_task) };
30
31/*
32 * Initial task structure.
33 *
34 * All other task structs will be allocated on slabs in fork.c
35 */
36struct task_struct init_task = INIT_TASK(init_task);
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37EXPORT_SYMBOL(init_task);
38
39/*
40 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
77788878
HS
41 * no more per-task TSS's. The TSS size is kept cacheline-aligned
42 * so they are allowed to end up in the .data.cacheline_aligned
43 * section. Since TSS's are completely CPU-local, we want them
44 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
45 */
f34e3b61 46DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
1da177e4 47