size_t *min_chunk_size, size_t *align)
{
size_t total_elt_sz;
+ size_t obj_per_page, pg_num, pg_sz;
size_t mem_size;
total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
-
- mem_size = rte_mempool_calc_mem_size_helper(obj_num, total_elt_sz,
- pg_shift);
+ if (total_elt_sz == 0) {
+ mem_size = 0;
+ } else if (pg_shift == 0) {
+ mem_size = total_elt_sz * obj_num;
+ } else {
+ pg_sz = (size_t)1 << pg_shift;
+ obj_per_page = pg_sz / total_elt_sz;
+ if (obj_per_page == 0) {
+ /*
+ * Note that if object size is bigger than page size,
+ * then it is assumed that pages are grouped in subsets
+ * of physically continuous pages big enough to store
+ * at least one object.
+ */
+ mem_size =
+ RTE_ALIGN_CEIL(total_elt_sz, pg_sz) * obj_num;
+ } else {
+ pg_num = (obj_num + obj_per_page - 1) / obj_per_page;
+ mem_size = pg_num << pg_shift;
+ }
+ }
*min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);