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1da177e4 LT |
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 | ||
13 | static struct fs_struct init_fs = INIT_FS; | |
14 | static struct files_struct init_files = INIT_FILES; | |
15 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); | |
16 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); | |
17 | struct mm_struct init_mm = INIT_MM(init_mm); | |
1da177e4 LT |
18 | |
19 | /* | |
20 | * Initial thread structure. | |
21 | * | |
22 | * We need to make sure that this is THREAD_SIZE aligned due to the | |
23 | * way process stacks are handled. This is done by having a special | |
24 | * "init_task" linker map entry.. | |
25 | */ | |
77788878 | 26 | union thread_union init_thread_union |
1da177e4 LT |
27 | __attribute__((__section__(".data.init_task"))) = |
28 | { INIT_THREAD_INFO(init_task) }; | |
29 | ||
30 | /* | |
31 | * Initial task structure. | |
32 | * | |
33 | * All other task structs will be allocated on slabs in fork.c | |
34 | */ | |
35 | struct task_struct init_task = INIT_TASK(init_task); | |
1da177e4 LT |
36 | EXPORT_SYMBOL(init_task); |
37 | ||
38 | /* | |
39 | * per-CPU TSS segments. Threads are completely 'soft' on Linux, | |
77788878 HS |
40 | * no more per-task TSS's. The TSS size is kept cacheline-aligned |
41 | * so they are allowed to end up in the .data.cacheline_aligned | |
42 | * section. Since TSS's are completely CPU-local, we want them | |
43 | * on exact cacheline boundaries, to eliminate cacheline ping-pong. | |
44 | */ | |
f34e3b61 | 45 | DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; |
1da177e4 | 46 |