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