2 #include <linux/sched.h>
3 #include <linux/init.h>
5 #include <asm/uaccess.h>
6 #include <asm/pgtable.h>
9 static struct fs_struct init_fs = INIT_FS;
10 static struct files_struct init_files = INIT_FILES;
11 static struct signal_struct init_signals = INIT_SIGNALS;
12 struct mm_struct init_mm = INIT_MM(init_mm);
15 * Initial task structure.
17 * We need to make sure that this is 8192-byte aligned due to the
18 * way process stacks are handled. This is done by having a special
19 * "init_task" linker map entry..
21 union task_union init_task_union
22 __attribute__((__section__(".data.init_task"))) =
23 { INIT_TASK(init_task_union.task) };
26 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
27 * no more per-task TSS's. The TSS size is kept cacheline-aligned
28 * so they are allowed to end up in the .data.cacheline_aligned
29 * section. Since TSS's are completely CPU-local, we want them
30 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
32 struct tss_struct init_tss[NR_CPUS] __cacheline_aligned = { [0 ... NR_CPUS-1] = INIT_TSS };