LXR linux/arch/i386/kernel/init

   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
  13static struct fs_struct init_fs = INIT_FS;
  14static struct files_struct init_files = INIT_FILES;
  15static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  16static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  17struct mm_struct init_mm = INIT_MM(init_mm);
  18
  19EXPORT_SYMBOL(init_mm);
  20
  21/*
  22 * Initial thread structure.
  23 *
  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..
  27 */
  28union thread_union init_thread_union 
  29        __attribute__((__section__(".data.init_task"))) =
  30                { INIT_THREAD_INFO(init_task) };
  31
  32/*
  33 * Initial task structure.
  34 *
  35 * All other task structs will be allocated on slabs in fork.c
  36 */
  37struct task_struct init_task = INIT_TASK(init_task);
  38
  39EXPORT_SYMBOL(init_task);
  40
  41/*
  42 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
  43 * no more per-task TSS's.
  44 */ 
  45DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS;
  46
  47