diff --git a/include/spdk/env.h b/include/spdk/env.h
index 68aff6d73e..ec7fb3be0b 100644
--- a/include/spdk/env.h
+++ b/include/spdk/env.h
@@ -978,6 +978,13 @@ typedef int (*spdk_mem_map_notify_cb)(void *cb_ctx, struct spdk_mem_map *map,
 				      enum spdk_mem_map_notify_action action,
 				      void *vaddr, size_t size);
 
+/**
+ * A function table to be implemented by each memory map.
+ */
+struct spdk_mem_map_ops {
+	spdk_mem_map_notify_cb notify_cb;
+};
+
 /**
  * Allocate a virtual memory address translation map.
  *
diff --git a/lib/env_dpdk/memory.c b/lib/env_dpdk/memory.c
index b2b3819645..73b30a21b3 100644
--- a/lib/env_dpdk/memory.c
+++ b/lib/env_dpdk/memory.c
@@ -82,7 +82,7 @@ struct spdk_mem_map {
 	struct map_256tb map_256tb;
 	pthread_mutex_t mutex;
 	uint64_t default_translation;
-	spdk_mem_map_notify_cb notify_cb;
+	struct spdk_mem_map_ops ops;
 	void *cb_ctx;
 	TAILQ_ENTRY(spdk_mem_map) tailq;
 };
@@ -106,7 +106,7 @@ spdk_mem_map_notify_walk(struct spdk_mem_map *map, enum spdk_mem_map_notify_acti
 	do {											\
 		if (contig_start != 0) {							\
 			/* End of of a virtually contiguous range */				\
-			map->notify_cb(map->cb_ctx, map, action,				\
+			map->ops.notify_cb(map->cb_ctx, map, action,				\
 				       (void *)contig_start,					\
 				       contig_end - contig_start + 2 * 1024 * 1024);		\
 		}										\
@@ -166,7 +166,7 @@ spdk_mem_map_alloc(uint64_t default_translation, spdk_mem_map_notify_cb notify_c
 	}
 
 	map->default_translation = default_translation;
-	map->notify_cb = notify_cb;
+	map->ops.notify_cb = notify_cb;
 	map->cb_ctx = cb_ctx;
 
 	pthread_mutex_lock(&g_spdk_mem_map_mutex);
@@ -245,7 +245,7 @@ spdk_mem_register(void *vaddr, size_t len)
 		if (ref_count > 0) {
 			if (seg_len > 0) {
 				TAILQ_FOREACH(map, &g_spdk_mem_maps, tailq) {
-					rc = map->notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_REGISTER, seg_vaddr, seg_len);
+					rc = map->ops.notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_REGISTER, seg_vaddr, seg_len);
 					if (rc != 0) {
 						pthread_mutex_unlock(&g_spdk_mem_map_mutex);
 						return rc;
@@ -265,7 +265,7 @@ spdk_mem_register(void *vaddr, size_t len)
 
 	if (seg_len > 0) {
 		TAILQ_FOREACH(map, &g_spdk_mem_maps, tailq) {
-			rc = map->notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_REGISTER, seg_vaddr, seg_len);
+			rc = map->ops.notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_REGISTER, seg_vaddr, seg_len);
 			if (rc != 0) {
 				pthread_mutex_unlock(&g_spdk_mem_map_mutex);
 				return rc;
@@ -321,7 +321,7 @@ spdk_mem_unregister(void *vaddr, size_t len)
 		if (ref_count > 1) {
 			if (seg_len > 0) {
 				TAILQ_FOREACH(map, &g_spdk_mem_maps, tailq) {
-					rc = map->notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_UNREGISTER, seg_vaddr, seg_len);
+					rc = map->ops.notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_UNREGISTER, seg_vaddr, seg_len);
 					if (rc != 0) {
 						pthread_mutex_unlock(&g_spdk_mem_map_mutex);
 						return rc;
@@ -341,7 +341,7 @@ spdk_mem_unregister(void *vaddr, size_t len)
 
 	if (seg_len > 0) {
 		TAILQ_FOREACH(map, &g_spdk_mem_maps, tailq) {
-			rc = map->notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_UNREGISTER, seg_vaddr, seg_len);
+			rc = map->ops.notify_cb(map->cb_ctx, map, SPDK_MEM_MAP_NOTIFY_UNREGISTER, seg_vaddr, seg_len);
 			if (rc != 0) {
 				pthread_mutex_unlock(&g_spdk_mem_map_mutex);
 				return rc;