1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Intel Corporation.
3 * Copyright(c) 2016 6WIND S.A.
4 * Copyright(c) 2018 Solarflare Communications Inc.
7 #include <rte_mempool.h>
10 rte_mempool_op_calc_mem_size_default(const struct rte_mempool *mp,
11 uint32_t obj_num, uint32_t pg_shift,
12 size_t *min_chunk_size, size_t *align)
14 unsigned int mp_flags;
19 /* Get mempool capabilities */
21 ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
22 if ((ret < 0) && (ret != -ENOTSUP))
25 total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
27 mem_size = rte_mempool_xmem_size(obj_num, total_elt_sz, pg_shift,
28 mp->flags | mp_flags);
30 if (mp_flags & MEMPOOL_F_CAPA_PHYS_CONTIG)
31 *min_chunk_size = mem_size;
33 *min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
35 *align = RTE_MAX((size_t)RTE_CACHE_LINE_SIZE, (size_t)1 << pg_shift);