diff --git a/src/runtime/mheap.go b/src/runtime/mheap.go
index 30b21e344ca..08fa2003c8e 100644
--- a/src/runtime/mheap.go
+++ b/src/runtime/mheap.go
@@ -134,8 +134,8 @@ type mheap struct {
 	// This is accessed atomically.
 	reclaimCredit uintptr
 
-	//add 64 bytes padding to seperate the data into different cacheline to fix HITM issue across CPU sockets
-	_ [8]uint64
+	// Add padding to separate the data into different cacheline to fix HITM issue across CPU sockets.
+	_ cpu.CacheLinePad
 
 	// arenas is the heap arena map. It points to the metadata for
 	// the heap for every arena frame of the entire usable virtual