diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 66c160b8547fdda1bc4e3f17f14c3229f1e0d940..9d6122096fbec40ad41ab473c189722816225399 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -14,7 +14,7 @@
* cache before the transfer is done, causing old data to be seen by
* the CPU.
*/
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
/*
* With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h
index d3cf35ab11ab127854c90385554f743848bfe371..c3a58a189a914423bb5327ca0c6e487b564aad56 100644
--- a/arch/avr32/include/asm/cache.h
+++ b/arch/avr32/include/asm/cache.h
@@ -11,7 +11,7 @@
* cache before the transfer is done, causing old data to be seen by
* the CPU.
*/
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#ifndef __ASSEMBLER__
struct cache_info {
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
index 93f6c634fdf4cbfdb5399e6327baef82096cf390..bd0641a267f1f144d8332050aab4d607361d513f 100644
--- a/arch/blackfin/include/asm/cache.h
+++ b/arch/blackfin/include/asm/cache.h
@@ -15,7 +15,7 @@
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#ifdef CONFIG_SMP
#define __cacheline_aligned
diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h
index ccae981876fa659863e910634302ef53c8f67a5a..e9a0ec85a40286fd50f6509bd1ec7bbd4cfa2050 100644
--- a/arch/frv/include/asm/mem-layout.h
+++ b/arch/frv/include/asm/mem-layout.h
@@ -35,7 +35,7 @@
* the slab must be aligned such that load- and store-double instructions don't
* fault if used
*/
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES
/*****************************************************************************/
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
index ecafbe1718c3cccee4a0441efaca9670b0548c59..0395c51e46a6cab11bb510271ca9413f671f9314 100644
--- a/arch/m68k/include/asm/cache.h
+++ b/arch/m68k/include/asm/cache.h
@@ -8,6 +8,6 @@
#define L1_CACHE_SHIFT 4
#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT)
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 4f268faa0126eea67f76ee4523d2ce8d2c666151..cf377d91da7132a7c084abea14aab85e35f79179 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -40,7 +40,7 @@
#ifndef __ASSEMBLY__
/* MS be sure that SLAB allocates aligned objects */
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES
diff --git a/arch/mips/include/asm/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h
index b8e6deba352fd90f6685e736a25df7ac5689c912..a5d669086ed94a51a2fc03101dbe3e1be7b39f23 100644
--- a/arch/mips/include/asm/mach-generic/kmalloc.h
+++ b/arch/mips/include/asm/mach-generic/kmalloc.h
@@ -7,7 +7,7 @@
* Total overkill for most systems but need as a safe default.
* Set this one if any device in the system might do non-coherent DMA.
*/
-#define ARCH_KMALLOC_MINALIGN 128
+#define ARCH_DMA_MINALIGN 128
#endif
#endif /* __ASM_MACH_GENERIC_KMALLOC_H */
diff --git a/arch/mips/include/asm/mach-ip27/kmalloc.h b/arch/mips/include/asm/mach-ip27/kmalloc.h
index 426bd049b2d76594f6180713c8a4e5fed89a5de0..82c23ce2afa7677400da946954439ab81256f804 100644
--- a/arch/mips/include/asm/mach-ip27/kmalloc.h
+++ b/arch/mips/include/asm/mach-ip27/kmalloc.h
@@ -2,7 +2,7 @@
#define __ASM_MACH_IP27_KMALLOC_H
/*
- * All happy, no need to define ARCH_KMALLOC_MINALIGN
+ * All happy, no need to define ARCH_DMA_MINALIGN
*/
#endif /* __ASM_MACH_IP27_KMALLOC_H */
diff --git a/arch/mips/include/asm/mach-ip32/kmalloc.h b/arch/mips/include/asm/mach-ip32/kmalloc.h
index b1e0be60f720794ee2317ed3c5b0104513fca1d4..042ca926c48fc5abf77418ff8492d95779c1916c 100644
--- a/arch/mips/include/asm/mach-ip32/kmalloc.h
+++ b/arch/mips/include/asm/mach-ip32/kmalloc.h
@@ -3,9 +3,9 @@
#if defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_RM7000)
-#define ARCH_KMALLOC_MINALIGN 32
+#define ARCH_DMA_MINALIGN 32
#else
-#define ARCH_KMALLOC_MINALIGN 128
+#define ARCH_DMA_MINALIGN 128
#endif
#endif /* __ASM_MACH_IP32_KMALLOC_H */
diff --git a/arch/mn10300/include/asm/cache.h b/arch/mn10300/include/asm/cache.h
index 6e2fe28dde4e7d68f260871c9377b96f30e8e644..781bf613366d747dae1a5cbb9924970f65bbe4c9 100644
--- a/arch/mn10300/include/asm/cache.h
+++ b/arch/mn10300/include/asm/cache.h
@@ -21,7 +21,7 @@
#define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES
#endif
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
/* data cache purge registers
* - read from the register to unconditionally purge that cache line
diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h
index bd0849dbcaaad4c6f87347cf2092a1079581b61e..68d73b2a7bfc93b70d6479384937197d433b6c76 100644
--- a/arch/powerpc/include/asm/page_32.h
+++ b/arch/powerpc/include/asm/page_32.h
@@ -10,7 +10,7 @@
#define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
#ifdef CONFIG_NOT_COHERENT_CACHE
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif
#ifdef CONFIG_PTE_64BIT
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index fb703d120d09b1ff4a6ea26e3e2c113cc5154753..c4e0b3d472b95363646ddefed49650d052d16ea4 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -180,7 +180,7 @@ typedef struct page *pgtable_t;
* Some drivers need to perform DMA into kmalloc'ed buffers
* and so we have to increase the kmalloc minalign for this.
*/
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#ifdef CONFIG_SUPERH64
/*
diff --git a/arch/xtensa/include/asm/cache.h b/arch/xtensa/include/asm/cache.h
index ed8cd3cbd4993de9619f1e6db12af3c26b166c9b..d2fd932fdb4dd43c2266d8930cc74887c0cf6e4b 100644
--- a/arch/xtensa/include/asm/cache.h
+++ b/arch/xtensa/include/asm/cache.h
@@ -29,6 +29,6 @@
# define CACHE_WAY_SIZE ICACHE_WAY_SIZE
#endif
-#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif /* _XTENSA_CACHE_H */
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 1acfa73ce2ac4597559c729301c2c6479ea49c7e..791a502f69063a2255c3e41d6c47e865e0c1f610 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -17,7 +17,6 @@
#include <trace/events/kmem.h>
-#ifndef ARCH_KMALLOC_MINALIGN
/*
* Enforce a minimum alignment for the kmalloc caches.
* Usually, the kmalloc caches are cache_line_size() aligned, except when
@@ -27,6 +26,9 @@
* ARCH_KMALLOC_MINALIGN allows that.
* Note that increasing this value may disable some debug features.
*/
+#ifdef ARCH_DMA_MINALIGN
+#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN
+#else
#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
#endif
diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
index 62667f72c2ef795c128b58d75a141e65beb16a35..4382db09df4f1820ee48056ee5b8fe93dee0d3e5 100644
--- a/include/linux/slob_def.h
+++ b/include/linux/slob_def.h
@@ -1,7 +1,9 @@
#ifndef __LINUX_SLOB_DEF_H
#define __LINUX_SLOB_DEF_H
-#ifndef ARCH_KMALLOC_MINALIGN
+#ifdef ARCH_DMA_MINALIGN
+#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN
+#else
#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long)
#endif
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 6447a723ecb170b9c3fd4476e8a1c1016b2b69de..6d14409c4d9a3573c12a029e9fb48af3261cd5b0 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -106,15 +106,17 @@ struct kmem_cache {
/*
* Kmalloc subsystem.
*/
-#if defined(ARCH_KMALLOC_MINALIGN) && ARCH_KMALLOC_MINALIGN > 8
-#define KMALLOC_MIN_SIZE ARCH_KMALLOC_MINALIGN
+#if defined(ARCH_DMA_MINALIGN) && ARCH_DMA_MINALIGN > 8
+#define KMALLOC_MIN_SIZE ARCH_DMA_MINALIGN
#else
#define KMALLOC_MIN_SIZE 8
#endif
#define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
-#ifndef ARCH_KMALLOC_MINALIGN
+#ifdef ARCH_DMA_MINALIGN
+#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN
+#else
#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
#endif