+/**
+ * Verbs callback to allocate a memory. This function should allocate the space
+ * according to the size provided residing inside a huge page.
+ * Please note that all allocation must respect the alignment from libmlx5
+ * (i.e. currently sysconf(_SC_PAGESIZE)).
+ *
+ * @param[in] size
+ * The size in bytes of the memory to allocate.
+ * @param[in] data
+ * A pointer to the callback data.
+ *
+ * @return
+ * a pointer to the allocate space.
+ */
+static void *
+mlx5_alloc_verbs_buf(size_t size, void *data)
+{
+ struct priv *priv = data;
+ void *ret;
+ size_t alignment = sysconf(_SC_PAGESIZE);
+
+ assert(data != NULL);
+ assert(!mlx5_is_secondary());
+ ret = rte_malloc_socket(__func__, size, alignment,
+ priv->dev->device->numa_node);
+ DEBUG("Extern alloc size: %lu, align: %lu: %p", size, alignment, ret);
+ return ret;
+}
+
+/**
+ * Verbs callback to free a memory.
+ *
+ * @param[in] ptr
+ * A pointer to the memory to free.
+ * @param[in] data
+ * A pointer to the callback data.
+ */
+static void
+mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
+{
+ assert(data != NULL);
+ assert(!mlx5_is_secondary());
+ DEBUG("Extern free request: %p", ptr);
+ rte_free(ptr);
+}
+