2 #include <linux/module.h>
3 #include <linux/sched.h>
4 #include <linux/init.h>
5 #include <linux/init_task.h>
8 #include <asm/uaccess.h>
9 #include <asm/pgtable.h>
12 static struct fs_struct init_fs = INIT_FS;
13 static struct files_struct init_files = INIT_FILES;
14 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
15 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
16 struct mm_struct init_mm = INIT_MM(init_mm);
18 EXPORT_SYMBOL(init_mm);
21 * Initial thread structure.
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..
27 union thread_union init_thread_union
28 __attribute__((__section__(".data.init_task"))) =
29 { INIT_THREAD_INFO(init_task) };
32 * Initial task structure.
34 * All other task structs will be allocated on slabs in fork.c
36 struct task_struct init_task = INIT_TASK(init_task);
38 EXPORT_SYMBOL(init_task);
41 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
42 * no more per-task TSS's. The TSS size is kept cacheline-aligned
43 * so they are allowed to end up in the .data.cacheline_aligned
44 * section. Since TSS's are completely CPU-local, we want them
45 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
47 struct tss_struct init_tss[NR_CPUS] __cacheline_aligned = { [0 ... NR_CPUS-1] = INIT_TSS };