X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=kernel%2Fsched%2Fsched.h;h=9ea647835fd6f37abb88197b25f2c5cf7dcf8424;hb=e4792ffe971dde60582028ccba08b5a2ad9d3359;hp=1a88dc8ad11b71266480a1ef260cc522fee099ee;hpb=e0f121c5cc2cf079d13ebe65b490ca88ba6abe12;p=linux.git

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 1a88dc8ad11b..9ea647835fd6 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -896,7 +896,7 @@ struct rq {
 	 */
 	unsigned long		nr_uninterruptible;
 
-	struct task_struct	*curr;
+	struct task_struct __rcu	*curr;
 	struct task_struct	*idle;
 	struct task_struct	*stop;
 	unsigned long		next_balance;
@@ -2479,3 +2479,16 @@ static inline void membarrier_switch_mm(struct rq *rq,
 {
 }
 #endif
+
+#ifdef CONFIG_SMP
+static inline bool is_per_cpu_kthread(struct task_struct *p)
+{
+	if (!(p->flags & PF_KTHREAD))
+		return false;
+
+	if (p->nr_cpus_allowed != 1)
+		return false;
+
+	return true;
+}
+#endif