diff --git a/arch/mips/include/asm/mach-ath79/kmalloc.h b/arch/mips/include/asm/mach-ath79/kmalloc.h
new file mode 100644
index 000000000000..954f5d6e0dd0
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath79/kmalloc.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MACH_ATH79_KMALLOC_H
+#define __ASM_MACH_ATH79_KMALLOC_H
+
+#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
+
+#endif /* __ASM_MACH_ATH79_KMALLOC_H */