[PATCH] aio: remove kioctx from mm_struct

[linux-imx.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 03b68a7b4b82ae7c775a375f1fe3aa0b6a9909ec..2038bd27b0413c74bcb66290adc3cfe33b5c0fd3 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -357,7 +357,6 @@ struct mm_struct {
        /* aio bits */
        rwlock_t                ioctx_list_lock;
        struct kioctx           *ioctx_list;
-       struct kioctx           default_kioctx;
 };
 
 struct sighand_struct {
@@ -909,6 +908,7 @@ do { if (atomic_dec_and_test(&(tsk)->usage)) __put_task_struct(tsk); } while(0)
 #define PF_SYNCWRITE   0x00200000      /* I am doing a sync write */
 #define PF_BORROWED_MM 0x00400000      /* I am a kthread doing use_mm */
 #define PF_RANDOMIZE   0x00800000      /* randomize virtual address space */
+#define PF_HOTPLUG_CPU 0x01000000      /* Currently performing CPU hotplug */
 
 /*
  * Only the _current_ task can read/write to tsk->flags, but other
@@ -1232,32 +1232,49 @@ static inline void task_unlock(struct task_struct *p)
        spin_unlock(&p->alloc_lock);
 }
 
+#ifndef __HAVE_THREAD_FUNCTIONS
+
+#define task_thread_info(task) (task)->thread_info
+
+static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
+{
+       *task_thread_info(p) = *task_thread_info(org);
+       task_thread_info(p)->task = p;
+}
+
+static inline unsigned long *end_of_stack(struct task_struct *p)
+{
+       return (unsigned long *)(p->thread_info + 1);
+}
+
+#endif
+
 /* set thread flags in other task's structures
  * - see asm/thread_info.h for TIF_xxxx flags available
  */
 static inline void set_tsk_thread_flag(struct task_struct *tsk, int flag)
 {
-       set_ti_thread_flag(tsk->thread_info,flag);
+       set_ti_thread_flag(task_thread_info(tsk), flag);
 }
 
 static inline void clear_tsk_thread_flag(struct task_struct *tsk, int flag)
 {
-       clear_ti_thread_flag(tsk->thread_info,flag);
+       clear_ti_thread_flag(task_thread_info(tsk), flag);
 }
 
 static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
 {
-       return test_and_set_ti_thread_flag(tsk->thread_info,flag);
+       return test_and_set_ti_thread_flag(task_thread_info(tsk), flag);
 }
 
 static inline int test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag)
 {
-       return test_and_clear_ti_thread_flag(tsk->thread_info,flag);
+       return test_and_clear_ti_thread_flag(task_thread_info(tsk), flag);
 }
 
 static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag)
 {
-       return test_ti_thread_flag(tsk->thread_info,flag);
+       return test_ti_thread_flag(task_thread_info(tsk), flag);
 }
 
 static inline void set_tsk_need_resched(struct task_struct *tsk)
@@ -1328,12 +1345,12 @@ extern void signal_wake_up(struct task_struct *t, int resume_stopped);
 
 static inline unsigned int task_cpu(const struct task_struct *p)
 {
-       return p->thread_info->cpu;
+       return task_thread_info(p)->cpu;
 }
 
 static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
 {
-       p->thread_info->cpu = cpu;
+       task_thread_info(p)->cpu = cpu;
 }
 
 #else