diff --git a/doc/guides/prog_guide/mempool_lib.rst b/doc/guides/prog_guide/mempool_lib.rst
index 3bb84b0a6f..f8b430d656 100644
--- a/doc/guides/prog_guide/mempool_lib.rst
+++ b/doc/guides/prog_guide/mempool_lib.rst
@@ -27,10 +27,10 @@ In debug mode (CONFIG_RTE_LIBRTE_MEMPOOL_DEBUG is enabled),
 statistics about get from/put in the pool are stored in the mempool structure.
 Statistics are per-lcore to avoid concurrent access to statistics counters.
 
-Memory Alignment Constraints
-----------------------------
+Memory Alignment Constraints on x86 architecture
+------------------------------------------------
 
-Depending on hardware memory configuration, performance can be greatly improved by adding a specific padding between objects.
+Depending on hardware memory configuration on X86 architecture, performance can be greatly improved by adding a specific padding between objects.
 The objective is to ensure that the beginning of each object starts on a different channel and rank in memory so that all channels are equally loaded.
 
 This is particularly true for packet buffers when doing L3 forwarding or flow classification.
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 08906df9ee..712c839a08 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -45,6 +45,7 @@ EAL_REGISTER_TAILQ(rte_mempool_tailq)
 #define CALC_CACHE_FLUSHTHRESH(c)	\
 	((typeof(c))((c) * CACHE_FLUSHTHRESH_MULTIPLIER))
 
+#if defined(RTE_ARCH_X86)
 /*
  * return the greatest common divisor between a and b (fast algorithm)
  *
@@ -74,12 +75,13 @@ static unsigned get_gcd(unsigned a, unsigned b)
 }
 
 /*
- * Depending on memory configuration, objects addresses are spread
+ * Depending on memory configuration on x86 arch, objects addresses are spread
  * between channels and ranks in RAM: the pool allocator will add
  * padding between objects. This function return the new size of the
  * object.
  */
-static unsigned optimize_object_size(unsigned obj_size)
+static unsigned int
+arch_mem_object_align(unsigned int obj_size)
 {
 	unsigned nrank, nchan;
 	unsigned new_obj_size;
@@ -99,6 +101,13 @@ static unsigned optimize_object_size(unsigned obj_size)
 		new_obj_size++;
 	return new_obj_size * RTE_MEMPOOL_ALIGN;
 }
+#else
+static unsigned int
+arch_mem_object_align(unsigned int obj_size)
+{
+	return obj_size;
+}
+#endif
 
 struct pagesz_walk_arg {
 	int socket_id;
@@ -234,8 +243,8 @@ rte_mempool_calc_obj_size(uint32_t elt_size, uint32_t flags,
 	 */
 	if ((flags & MEMPOOL_F_NO_SPREAD) == 0) {
 		unsigned new_size;
-		new_size = optimize_object_size(sz->header_size + sz->elt_size +
-			sz->trailer_size);
+		new_size = arch_mem_object_align
+			    (sz->header_size + sz->elt_size + sz->trailer_size);
 		sz->trailer_size = new_size - sz->header_size - sz->elt_size;
 	}
 
diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index 0a1dc6059f..a2c92727a6 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -260,7 +260,8 @@ struct rte_mempool {
 #endif
 }  __rte_cache_aligned;
 
-#define MEMPOOL_F_NO_SPREAD      0x0001 /**< Do not spread among memory channels. */
+#define MEMPOOL_F_NO_SPREAD      0x0001
+		/**< Spreading among memory channels not required. */
 #define MEMPOOL_F_NO_CACHE_ALIGN 0x0002 /**< Do not align objs on cache lines.*/
 #define MEMPOOL_F_SP_PUT         0x0004 /**< Default put is "single-producer".*/
 #define MEMPOOL_F_SC_GET         0x0008 /**< Default get is "single-consumer".*/