2 #include <linux/module.h>
3 #include <linux/sched.h>
4 #include <linux/init.h>
5 #include <linux/init_task.h>
7 #include <linux/mqueue.h>
9 #include <asm/uaccess.h>
10 #include <asm/pgtable.h>
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);
19 EXPORT_SYMBOL(init_mm);
22 * Initial thread structure.
24 * We need to make sure that this is THREAD_SIZE aligned due to the
25 * way process stacks are handled. This is done by having a special
26 * "init_task" linker map entry..
28 union thread_union init_thread_union
29 __attribute__((__section__(".data.init_task"))) =
30 { INIT_THREAD_INFO(init_task, init_thread_union) };
32 #ifdef CONFIG_X86_STACK_CHECK
33 union thread_union stack_overflow_stack
34 __attribute__((__section__(".data.init_task"))) =
35 { INIT_THREAD_INFO(init_task, stack_overflow_stack) };
40 * Initial task structure.
42 * All other task structs will be allocated on slabs in fork.c
44 struct task_struct init_task = INIT_TASK(init_task);
46 EXPORT_SYMBOL(init_task);
49 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
50 * no more per-task TSS's. The TSS size is kept cacheline-aligned
51 * so they are allowed to end up in the .data.cacheline_aligned
52 * section. Since TSS's are completely CPU-local, we want them
53 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
55 struct tss_struct init_tss[NR_CPUS] __attribute__((__section__(".data.tss"))) = { [0 ... NR_CPUS-1] = INIT_TSS };