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-rw-r--r--include/asm-generic/tlbflush.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-generic/tlbflush.h b/include/asm-generic/tlbflush.h
new file mode 100644
index 000000000..dc2669289
--- /dev/null
+++ b/include/asm-generic/tlbflush.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_GENERIC_TLBFLUSH_H
+#define __ASM_GENERIC_TLBFLUSH_H
+/*
+ * This is a dummy tlbflush implementation that can be used on all
+ * nommu architectures.
+ * If you have an MMU, you need to write your own functions.
+ */
+#ifdef CONFIG_MMU
+#error need to implement an architecture specific asm/tlbflush.h
+#endif
+
+#include <linux/bug.h>
+
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+ BUG();
+}
+
+
+#endif /* __ASM_GENERIC_TLBFLUSH_H */