v4.19.13 snapshot.
diff --git a/arch/sparc/include/asm/vdso.h b/arch/sparc/include/asm/vdso.h
new file mode 100644
index 0000000..93b6287
--- /dev/null
+++ b/arch/sparc/include/asm/vdso.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef _ASM_SPARC_VDSO_H
+#define _ASM_SPARC_VDSO_H
+
+struct vdso_image {
+	void *data;
+	unsigned long size;   /* Always a multiple of PAGE_SIZE */
+	long sym_vvar_start;  /* Negative offset to the vvar area */
+	long sym_vread_tick; /* Start of vread_tick section */
+	long sym_vread_tick_patch_start; /* Start of tick read */
+	long sym_vread_tick_patch_end;   /* End of tick read */
+};
+
+#ifdef CONFIG_SPARC64
+extern const struct vdso_image vdso_image_64_builtin;
+#endif
+#ifdef CONFIG_COMPAT
+extern const struct vdso_image vdso_image_32_builtin;
+#endif
+
+#endif /* _ASM_SPARC_VDSO_H */