--- zzzz-none-000/linux-4.9.279/include/linux/sched.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/include/linux/sched.h	2023-02-08 11:43:43.000000000 +0000
@@ -362,6 +362,7 @@
 }
 
 extern void show_regs(struct pt_regs *);
+extern void show_task_regs(struct task_struct *, struct pt_regs *);
 
 /*
  * TASK is a pointer to the task whose backtrace we want to see (or NULL for current
@@ -1742,6 +1743,7 @@
 #ifdef CONFIG_DEBUG_MUTEXES
 	/* mutex deadlock detection */
 	struct mutex_waiter *blocked_on;
+	spinlock_t	    blocked_on_ptrlock;
 #endif
 #ifdef CONFIG_TRACE_IRQFLAGS
 	unsigned int irq_events;