diff --git a/include/asm-mips/cache.h b/include/asm-mips/cache.h
index 4517bdf20953..1a5d1a669db3 100644
--- a/include/asm-mips/cache.h
+++ b/include/asm-mips/cache.h
@@ -10,6 +10,7 @@
 #define _ASM_CACHE_H
 
 #include <linux/config.h>
+#include <kmalloc.h>
 
 #define L1_CACHE_SHIFT		CONFIG_MIPS_L1_CACHE_SHIFT
 #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
@@ -18,6 +19,4 @@
 #define SMP_CACHE_SHIFT		L1_CACHE_SHIFT
 #define SMP_CACHE_BYTES		L1_CACHE_BYTES
 
-#define ARCH_KMALLOC_MINALIGN	8
-
 #endif /* _ASM_CACHE_H */
diff --git a/include/asm-mips/mach-generic/kmalloc.h b/include/asm-mips/mach-generic/kmalloc.h
new file mode 100644
index 000000000000..373d66dee9d7
--- /dev/null
+++ b/include/asm-mips/mach-generic/kmalloc.h
@@ -0,0 +1,13 @@
+#ifndef __ASM_MACH_GENERIC_KMALLOC_H
+#define __ASM_MACH_GENERIC_KMALLOC_H
+
+#include <linux/config.h>
+
+#ifndef CONFIG_DMA_COHERENT
+/*
+ * Total overkill for most systems but need as a safe default.
+ */
+#define ARCH_KMALLOC_MINALIGN	128
+#endif
+
+#endif /* __ASM_MACH_GENERIC_KMALLOC_H */
diff --git a/include/asm-mips/mach-ip27/kmalloc.h b/include/asm-mips/mach-ip27/kmalloc.h
new file mode 100644
index 000000000000..426bd049b2d7
--- /dev/null
+++ b/include/asm-mips/mach-ip27/kmalloc.h
@@ -0,0 +1,8 @@
+#ifndef __ASM_MACH_IP27_KMALLOC_H
+#define __ASM_MACH_IP27_KMALLOC_H
+
+/*
+ * All happy, no need to define ARCH_KMALLOC_MINALIGN
+ */
+
+#endif /* __ASM_MACH_IP27_KMALLOC_H */
diff --git a/include/asm-mips/mach-ip32/kmalloc.h b/include/asm-mips/mach-ip32/kmalloc.h
new file mode 100644
index 000000000000..9d2d4d9ac036
--- /dev/null
+++ b/include/asm-mips/mach-ip32/kmalloc.h
@@ -0,0 +1,12 @@
+#ifndef __ASM_MACH_IP32_KMALLOC_H
+#define __ASM_MACH_IP32_KMALLOC_H
+
+#include <linux/config.h>
+
+#if defined(CONFIG_CPU_R5000) || defined (CONFIG_CPU_RM7000)
+#define ARCH_KMALLOC_MINALIGN	32
+#else
+#define ARCH_KMALLOC_MINALIGN	128
+#endif
+
+#endif /* __ASM_MACH_IP32_KMALLOC_H */