arch/arm/kernel/init_task.c

   1 /*
   2  *  linux/arch/arm/kernel/init_task.c
   3  */
   4 #include <linux/mm.h>
   5 #include <linux/module.h>
   6 #include <linux/fs.h>
   7 #include <linux/sched.h>
   8 #include <linux/init.h>
   9 #include <linux/init_task.h>
  10 #include <linux/mqueue.h>
  11 #include <linux/uaccess.h>
  12
  13 #include <asm/pgtable.h>
  14
  15 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  16 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  17 struct mm_struct init_mm = INIT_MM(init_mm);
  18
  19 EXPORT_SYMBOL(init_mm);
  20
  21 /*
  22  * Initial thread structure.
  23  *
  24  * We need to make sure that this is 8192-byte aligned due to the
  25  * way process stacks are handled. This is done by making sure
  26  * the linker maps this in the .text segment right after head.S,
  27  * and making head.S ensure the proper alignment.
  28  *
  29  * The things we do for performance..
  30  */
  31 union thread_union init_thread_union
  32         __attribute__((__section__(".data.init_task"))) =
  33                 { INIT_THREAD_INFO(init_task) };
  34
  35 /*
  36  * Initial task structure.
  37  *
  38  * All other task structs will be allocated on slabs in fork.c
  39  */
  40 struct task_struct init_task = INIT_TASK(init_task);
  41
  42 EXPORT_SYMBOL(init_task);