1 files changed, 14 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/mmu.h b/arch/ia64/include/asm/mmu.h
new file mode 100644
index 0000000000..f75f44f531
--- /dev/null
+++ b/arch/ia64/include/asm/mmu.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MMU_H
+#define __MMU_H
+
+/*
+ * Type for a context number.  We declare it volatile to ensure proper
+ * ordering when it's accessed outside of spinlock'd critical sections
+ * (e.g., as done in activate_mm() and init_new_context()).
+ */
+typedef volatile unsigned long mm_context_t;
+
+typedef unsigned long nv_mm_context_t;
+
+#endif