X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal_memory.c;h=c1b5e079117a6d7330df2c9aab02fa4755568ca0;hb=219737bfb6f9200e4c9189ab1668029c76a9be62;hp=fce86fda6c8d194044bd0fb12cfd763401e797c7;hpb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;p=deb_dpdk.git

diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index fce86fda..c1b5e079 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -1393,6 +1393,18 @@ eal_legacy_hugepage_init(void)
 
 			addr = RTE_PTR_ADD(addr, (size_t)page_sz);
 		}
+		if (mcfg->dma_maskbits &&
+		    rte_mem_check_dma_mask_thread_unsafe(mcfg->dma_maskbits)) {
+			RTE_LOG(ERR, EAL,
+				"%s(): couldnt allocate memory due to IOVA exceeding limits of current DMA mask.\n",
+				__func__);
+			if (rte_eal_iova_mode() == RTE_IOVA_VA &&
+			    rte_eal_using_phys_addrs())
+				RTE_LOG(ERR, EAL,
+					"%s(): Please try initializing EAL with --iova-mode=pa parameter.\n",
+					__func__);
+			goto fail;
+		}
 		return 0;
 	}
 
@@ -1628,6 +1640,14 @@ eal_legacy_hugepage_init(void)
 		rte_fbarray_destroy(&msl->memseg_arr);
 	}
 
+	if (mcfg->dma_maskbits &&
+	    rte_mem_check_dma_mask_thread_unsafe(mcfg->dma_maskbits)) {
+		RTE_LOG(ERR, EAL,
+			"%s(): couldn't allocate memory due to IOVA exceeding limits of current DMA mask.\n",
+			__func__);
+		goto fail;
+	}
+
 	return 0;
 
 fail: