diff --git a/lib/librte_stack/rte_stack_lf_stubs.h

b/lib/librte_stack/rte_stack_lf_stubs.h
new file mode 100644
index 0000000..d924bc6

--- /dev/null
+++ b/lib/librte_stack/rte_stack_lf_stubs.h

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Arm Limited
+ */
+
+#ifndef _RTE_STACK_LF_STUBS_H_
+#define _RTE_STACK_LF_STUBS_H_
+
+#include <rte_common.h>
+#include <rte_atomic.h>
+
+static __rte_always_inline unsigned int __rte_stack_lf_count(struct
+rte_stack *s) {
+	/* stack_lf_push() and stack_lf_pop() do not update the list's

contents
+	 * and stack_lf->len atomically, which can cause the list to appear
+	 * shorter than it actually is if this function is called while other
+	 * threads are modifying the list.
+	 *
+	 * However, given the inherently approximate nature of the
get_count
+	 * callback -- even if the list and its size were updated atomically,
+	 * the size could change between when get_count executes and
when the
+	 * value is returned to the caller -- this is acceptable.
+	 *
+	 * The stack_lf->len updates are placed such that the list may appear
to
+	 * have fewer elements than it does, but will never appear to have
more
+	 * elements. If the mempool is near-empty to the point that this is a
+	 * concern, the user should consider increasing the mempool size.
+	 */
+	return (unsigned int)rte_atomic64_read((rte_atomic64_t *)
+			&s->stack_lf.used.len);
+}