arch/x86/kernel/init_task.c

   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
  13 static struct fs_struct init_fs = INIT_FS;
  14 static struct files_struct init_files = INIT_FILES;
  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 <<<<<<< HEAD:arch/x86/kernel/init_task.c
  19 =======
  20 EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
  21 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/init_task.c
  22
  23 /*
  24  * Initial thread structure.
  25  *
  26  * We need to make sure that this is THREAD_SIZE aligned due to the
  27  * way process stacks are handled. This is done by having a special
  28  * "init_task" linker map entry..
  29  */
  30 union thread_union init_thread_union
  31         __attribute__((__section__(".data.init_task"))) =
  32                 { INIT_THREAD_INFO(init_task) };
  33
  34 /*
  35  * Initial task structure.
  36  *
  37  * All other task structs will be allocated on slabs in fork.c
  38  */
  39 struct task_struct init_task = INIT_TASK(init_task);
  40 EXPORT_SYMBOL(init_task);
  41
  42 /*
  43  * per-CPU TSS segments. Threads are completely 'soft' on Linux,
  44  * no more per-task TSS's. The TSS size is kept cacheline-aligned
  45  * so they are allowed to end up in the .data.cacheline_aligned
  46  * section. Since TSS's are completely CPU-local, we want them
  47  * on exact cacheline boundaries, to eliminate cacheline ping-pong.
  48  */
  49 DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
  50