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);
18 #define swapper_pg_dir ((pgd_t *)NULL)
19 struct mm_struct init_mm = INIT_MM(init_mm);
22 EXPORT_SYMBOL(init_mm);
25 * Initial thread structure.
27 * We need to make sure that this is THREAD_SIZE aligned due to the
28 * way process stacks are handled. This is done by having a special
29 * "init_task" linker map entry..
31 union thread_union init_thread_union
32 __attribute__((__section__(".data.init_task"))) =
33 { INIT_THREAD_INFO(init_task) };
36 * Initial task structure.
38 * All other task structs will be allocated on slabs in fork.c
40 struct task_struct init_task = INIT_TASK(init_task);
42 EXPORT_SYMBOL(init_task);
44 #ifndef CONFIG_X86_NO_TSS
46 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
47 * no more per-task TSS's.
49 DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS;