arch/arm26/kernel/init_task.c

   1 /*
   2  *  linux/arch/arm26/kernel/init_task.c
   3  *
   4  * Copyright (C) 2003 Ian Molton
   5  *
   6  */
   7 #include <linux/mm.h>
   8 #include <linux/module.h>
   9 #include <linux/fs.h>
  10 #include <linux/sched.h>
  11 #include <linux/init.h>
  12 #include <linux/init_task.h>
  13 #include <linux/mqueue.h>
  14
  15 #include <asm/uaccess.h>
  16 #include <asm/pgtable.h>
  17
  18 static struct fs_struct init_fs = INIT_FS;
  19 static struct files_struct init_files = INIT_FILES;
  20 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  21 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  22 struct mm_struct init_mm = INIT_MM(init_mm);
  23
  24 EXPORT_SYMBOL(init_mm);
  25
  26 /*
  27  * Initial thread structure.
  28  *
  29  * We need to make sure that this is 8192-byte aligned due to the
  30  * way process stacks are handled. This is done by making sure
  31  * the linker maps this in the .text segment right after head.S,
  32  * and making the linker scripts ensure the proper alignment.
  33  *
  34  * FIXME - should this be 32K alignment on arm26?
  35  *
  36  * The things we do for performance...
  37  */
  38 union thread_union init_thread_union
  39         __attribute__((__section__(".init.task"))) =
  40                 { INIT_THREAD_INFO(init_task) };
  41
  42 /*
  43  * Initial task structure.
  44  *
  45  * All other task structs will be allocated on slabs in fork.c
  46  */
  47 struct task_struct init_task = INIT_TASK(init_task);
  48
  49 EXPORT_SYMBOL(init_task);