X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mempool%2Frte_mempool_ops_default.c;h=4e2bfc82d97bb82c7e748a358de707c42de6fa9a;hb=6b7780bfebe4;hp=57295f79ac6fd0fc2be29cffebf3ffd0fa434336;hpb=e1174f2d53a0030c52c9279b41d32c083836daa5;p=dpdk.git

diff --git a/lib/librte_mempool/rte_mempool_ops_default.c b/lib/librte_mempool/rte_mempool_ops_default.c
index 57295f79ac..4e2bfc82d9 100644
--- a/lib/librte_mempool/rte_mempool_ops_default.c
+++ b/lib/librte_mempool/rte_mempool_ops_default.c
@@ -11,26 +11,34 @@ rte_mempool_op_calc_mem_size_default(const struct rte_mempool *mp,
 				     uint32_t obj_num, uint32_t pg_shift,
 				     size_t *min_chunk_size, size_t *align)
 {
-	unsigned int mp_flags;
-	int ret;
 	size_t total_elt_sz;
+	size_t obj_per_page, pg_num, pg_sz;
 	size_t mem_size;
 
-	/* Get mempool capabilities */
-	mp_flags = 0;
-	ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
-	if ((ret < 0) && (ret != -ENOTSUP))
-		return ret;
-
 	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+	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;
+		}
+	}
 
-	mem_size = rte_mempool_xmem_size(obj_num, total_elt_sz, pg_shift,
-					 mp->flags | mp_flags);
-
-	if (mp_flags & MEMPOOL_F_CAPA_PHYS_CONTIG)
-		*min_chunk_size = mem_size;
-	else
-		*min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
+	*min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
 
 	*align = RTE_MAX((size_t)RTE_CACHE_LINE_SIZE, (size_t)1 << pg_shift);