v4.19.13 snapshot.
diff --git a/arch/sparc/include/asm/sparsemem.h b/arch/sparc/include/asm/sparsemem.h
new file mode 100644
index 0000000..1dd1b61
--- /dev/null
+++ b/arch/sparc/include/asm/sparsemem.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SPARC64_SPARSEMEM_H
+#define _SPARC64_SPARSEMEM_H
+
+#ifdef __KERNEL__
+
+#include <asm/page.h>
+
+#define SECTION_SIZE_BITS 30
+#define MAX_PHYSADDR_BITS MAX_PHYS_ADDRESS_BITS
+#define MAX_PHYSMEM_BITS MAX_PHYS_ADDRESS_BITS
+
+#endif /* !(__KERNEL__) */
+
+#endif /* !(_SPARC64_SPARSEMEM_H) */