arch/um/kernel/init_task.c

   1 /*
   2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,intel.linux}.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/sched.h"
   7 #include "linux/init_task.h"
   8 #include "linux/fs.h"
   9 #include "linux/module.h"
  10 #include "linux/mqueue.h"
  11 #include "asm/uaccess.h"
  12
  13 static struct fs_struct init_fs = INIT_FS;
  14 struct mm_struct init_mm = INIT_MM(init_mm);
  15 static struct files_struct init_files = INIT_FILES;
  16 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  17 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  18 EXPORT_SYMBOL(init_mm);
  19
  20 /*
  21  * Initial task structure.
  22  *
  23  * All other task structs will be allocated on slabs in fork.c
  24  */
  25
  26 struct task_struct init_task = INIT_TASK(init_task);
  27
  28 EXPORT_SYMBOL(init_task);
  29
  30 /*
  31  * Initial thread structure.
  32  *
  33  * We need to make sure that this is aligned due to the
  34  * way process stacks are handled. This is done by having a special
  35  * "init_task" linker map entry..
  36  */
  37
  38 union thread_union init_thread_union
  39         __attribute__((__section__(".data.init_task"))) =
  40                 { INIT_THREAD_INFO(init_task) };
  41
  42 union thread_union cpu0_irqstack
  43         __attribute__((__section__(".data.init_irqstack"))) =
  44                 { INIT_THREAD_INFO(init_task) };