-struct crc_pclmulqdq_ctx crc32_eth_pclmulqdq __rte_aligned(16);
-struct crc_pclmulqdq_ctx crc16_ccitt_pclmulqdq __rte_aligned(16);
+static struct crc_pclmulqdq_ctx crc32_eth_pclmulqdq __rte_aligned(16);
+static struct crc_pclmulqdq_ctx crc16_ccitt_pclmulqdq __rte_aligned(16);