New upstream version 18.11-rc1

[deb_dpdk.git] / lib / librte_eal / common / malloc_elem.c

diff --git a/lib/librte_eal/common/malloc_elem.c b/lib/librte_eal/common/malloc_elem.c
index e0a8ed1..1a74660 100644 (file)
--- a/lib/librte_eal/common/malloc_elem.c
+++ b/lib/librte_eal/common/malloc_elem.c
@@ -39,10 +39,14 @@ malloc_elem_find_max_iova_contig(struct malloc_elem *elem, size_t align)
        contig_seg_start = RTE_PTR_ALIGN_CEIL(data_start, align);
 
        /* if we're in IOVA as VA mode, or if we're in legacy mode with
-        * hugepages, all elements are IOVA-contiguous.
+        * hugepages, all elements are IOVA-contiguous. however, we can only
+        * make these assumptions about internal memory - externally allocated
+        * segments have to be checked.
         */
-       if (rte_eal_iova_mode() == RTE_IOVA_VA ||
-                       (internal_config.legacy_mem && rte_eal_has_hugepages()))
+       if (!elem->msl->external &&
+                       (rte_eal_iova_mode() == RTE_IOVA_VA ||
+                               (internal_config.legacy_mem &&
+                                       rte_eal_has_hugepages())))
                return RTE_PTR_DIFF(data_end, contig_seg_start);
 
        cur_page = RTE_PTR_ALIGN_FLOOR(contig_seg_start, page_sz);