v4.19.13 snapshot.
diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h
new file mode 100644
index 0000000..1d819f5
--- /dev/null
+++ b/arch/sparc/include/asm/syscalls.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SPARC64_SYSCALLS_H
+#define _SPARC64_SYSCALLS_H
+
+struct pt_regs;
+
+asmlinkage long sparc_do_fork(unsigned long clone_flags,
+			      unsigned long stack_start,
+			      struct pt_regs *regs,
+			      unsigned long stack_size);
+
+#endif /* _SPARC64_SYSCALLS_H */