diff --git a/src/runtime/os_linux_arm.go b/src/runtime/os_linux_arm.go
index d88bf785ee..c5abedbd98 100644
--- a/src/runtime/os_linux_arm.go
+++ b/src/runtime/os_linux_arm.go
@@ -64,6 +64,7 @@ func sysargs(argc int32, argv **byte) {
 	}
 }
 
+//go:nosplit
 func cputicks() int64 {
 	// Currently cputicks() is used in blocking profiler and to seed fastrand1().
 	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
diff --git a/src/runtime/os_linux_arm64.go b/src/runtime/os_linux_arm64.go
index c3ad871349..3f994f128b 100644
--- a/src/runtime/os_linux_arm64.go
+++ b/src/runtime/os_linux_arm64.go
@@ -11,6 +11,7 @@ const (
 
 var randomNumber uint32
 
+//go:nosplit
 func cputicks() int64 {
 	// Currently cputicks() is used in blocking profiler and to seed fastrand1().
 	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.