diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index e257f8655b841ca3da1aa2053755cf8f0a0540a4..ddbf1718669d4abe76a221bf4ae9f10bc8f4b673 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -182,6 +182,10 @@ static inline void __flush_tlb_range(struct vm_area_struct *vma,
 static inline void flush_tlb_range(struct vm_area_struct *vma,
 				   unsigned long start, unsigned long end)
 {
+	/*
+	 * We cannot use leaf-only invalidation here, since we may be invalidating
+	 * table entries as part of collapsing hugepages or moving page tables.
+	 */
 	__flush_tlb_range(vma, start, end, false);
 }