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-rw-r--r--include/linux/sched.h12
-rw-r--r--kernel/sched/core.c2
2 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 06ac17c..b09798b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -428,6 +428,14 @@ struct task_cputime {
.sum_exec_runtime = 0, \
}
+#define PREEMPT_ENABLED (PREEMPT_NEED_RESCHED)
+
+#ifdef CONFIG_PREEMPT_COUNT
+#define PREEMPT_DISABLED (1 + PREEMPT_ENABLED)
+#else
+#define PREEMPT_DISABLED PREEMPT_ENABLED
+#endif
+
/*
* Disable preemption until the scheduler is running.
* Reset by start_kernel()->sched_init()->init_idle().
@@ -435,9 +443,7 @@ struct task_cputime {
* We include PREEMPT_ACTIVE to avoid cond_resched() from working
* before the scheduler is active -- see should_resched().
*/
-#define INIT_PREEMPT_COUNT (1 + PREEMPT_ACTIVE + PREEMPT_NEED_RESCHED)
-#define PREEMPT_ENABLED (PREEMPT_NEED_RESCHED)
-#define PREEMPT_DISABLED (1 + PREEMPT_NEED_RESCHED)
+#define INIT_PREEMPT_COUNT (PREEMPT_DISABLED + PREEMPT_ACTIVE)
/**
* struct thread_group_cputimer - thread group interval timer counts
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9c84a9a..f575d5b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1722,9 +1722,7 @@ void sched_fork(struct task_struct *p)
#if defined(CONFIG_SMP)
p->on_cpu = 0;
#endif
-#ifdef CONFIG_PREEMPT_COUNT
init_task_preempt_count(p);
-#endif
#ifdef CONFIG_SMP
plist_node_init(&p->pushable_tasks, MAX_PRIO);
#endif