From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/arch/s390/include/asm/set_memory.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kernel/arch/s390/include/asm/set_memory.h b/kernel/arch/s390/include/asm/set_memory.h
index c59a835..a22a5a8 100644
--- a/kernel/arch/s390/include/asm/set_memory.h
+++ b/kernel/arch/s390/include/asm/set_memory.h
@@ -2,6 +2,10 @@
 #ifndef _ASMS390_SET_MEMORY_H
 #define _ASMS390_SET_MEMORY_H
 
+#include <linux/mutex.h>
+
+extern struct mutex cpa_mutex;
+
 #define SET_MEMORY_RO	1UL
 #define SET_MEMORY_RW	2UL
 #define SET_MEMORY_NX	4UL

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