diff --git a/doc/guides/contributing/documentation.rst b/doc/guides/contributing/documentation.rst
index 8cbd4a0f6f..7fcbb7fc43 100644
--- a/doc/guides/contributing/documentation.rst
+++ b/doc/guides/contributing/documentation.rst
@@ -705,7 +705,7 @@ The following are some guidelines for use of Doxygen in the DPDK API documentati
      /**< Virtual address of the first mempool object. */
      uintptr_t   elt_va_end;
      /**< Virtual address of the <size + 1> mempool object. */
-     phys_addr_t elt_pa[MEMPOOL_PG_NUM_DEFAULT];
+     phys_addr_t elt_pa[1];
      /**< Array of physical page addresses for the mempool buffer. */
 
   This doesn't have an effect on the rendered documentation but it is confusing for the developer reading the code.
@@ -724,7 +724,7 @@ The following are some guidelines for use of Doxygen in the DPDK API documentati
      /** Virtual address of the <size + 1> mempool object. */
      uintptr_t   elt_va_end;
      /** Array of physical page addresses for the mempool buffer. */
-     phys_addr_t elt_pa[MEMPOOL_PG_NUM_DEFAULT];
+     phys_addr_t elt_pa[1];
 
 * Read the rendered section of the documentation that you have added for correctness, clarity and consistency
   with the surrounding text.
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 0095d48084..c59dd5ca98 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -47,6 +47,9 @@ Deprecation Notices
   deprecated and will be removed in DPDK 22.11. Use replacement macro
   ``RTE_MEMPOOL_REGISTER_OPS()``.
 
+* mempool: The mempool API macros ``MEMPOOL_PG_*`` are deprecated and
+  will be removed in DPDK 22.11.
+
 * mbuf: The mbuf offload flags ``PKT_*`` will be renamed as ``RTE_MBUF_F_*``.
   A compatibility layer will be kept until DPDK 22.11, except for the flags
   that are already deprecated (``PKT_RX_L4_CKSUM_BAD``, ``PKT_RX_IP_CKSUM_BAD``,
diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index a8dd8031c0..bdaefd236d 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -239,6 +239,9 @@ API Changes
 * mempool: Macro to register mempool driver ``MEMPOOL_REGISTER_OPS()`` is
   deprecated.  Use replacement ``RTE_MEMPOOL_REGISTER_OPS()``.
 
+* mempool: The mempool API macros ``MEMPOOL_PG_*`` are deprecated and
+  will be removed in DPDK 22.11.
+
 * net: Renamed ``s_addr`` and ``d_addr`` fields of ``rte_ether_hdr`` structure
   to ``src_addr`` and ``dst_addr``, respectively.
 
diff --git a/lib/mempool/rte_mempool.h b/lib/mempool/rte_mempool.h
index 657233ce45..300dbdea4a 100644
--- a/lib/mempool/rte_mempool.h
+++ b/lib/mempool/rte_mempool.h
@@ -116,10 +116,11 @@ struct rte_mempool_objsz {
 /* "MP_<name>" */
 #define	RTE_MEMPOOL_MZ_FORMAT	RTE_MEMPOOL_MZ_PREFIX "%s"
 
-#define	MEMPOOL_PG_SHIFT_MAX	(sizeof(uintptr_t) * CHAR_BIT - 1)
+#define	MEMPOOL_PG_SHIFT_MAX \
+	RTE_DEPRECATED(MEMPOOL_PG_SHIFT_MAX) (sizeof(uintptr_t) * CHAR_BIT - 1)
 
-/** Mempool over one chunk of physically continuous memory */
-#define	MEMPOOL_PG_NUM_DEFAULT	1
+/** Deprecated. Mempool over one chunk of physically continuous memory */
+#define	MEMPOOL_PG_NUM_DEFAULT	RTE_DEPRECATED(MEMPOOL_PG_NUM_DEFAULT) 1
 
 #ifndef RTE_MEMPOOL_ALIGN
 /**