From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatoly Burakov Subject: [PATCH] malloc: fix external heap allocation in no huge mode Date: Thu, 25 Oct 2018 12:06:34 +0100 Message-ID: <0a032f701099558dfbe4c9684df90874583a4544.1540465344.git.anatoly.burakov@intel.com> Cc: laszlo.madarassy@ericsson.com, janos.kobor@ericsson.com To: dev@dpdk.org Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 6C9204C95 for ; Thu, 25 Oct 2018 13:06:37 +0200 (CEST) List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When no-huge mode is enabled, we always overwrite the socket ID to be SOCKET_ID_ANY in rte_malloc, because there is no NUMA awareness in no-huge mode. However, with external memory support, a socket ID may have other meaning, and we cannot overwrite the socket ID in those cases. Fixes: 65ff37b105f7 ("malloc: add function to check if socket is external") Signed-off-by: Anatoly Burakov --- lib/librte_eal/common/rte_malloc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c index b27a8ad2e..9e61dc41b 100644 --- a/lib/librte_eal/common/rte_malloc.c +++ b/lib/librte_eal/common/rte_malloc.c @@ -46,7 +46,13 @@ rte_malloc_socket(const char *type, size_t size, unsigned int align, if (size == 0 || (align && !rte_is_power_of_2(align))) return NULL; - if (!rte_eal_has_hugepages()) + /* if there are no hugepages and if we are not allocating from an + * external heap, use memory from any socket available. checking for + * socket being external may return -1 in case of invalid socket, but + * that's OK - if there are no hugepages, it doesn't matter. + */ + if (rte_malloc_heap_socket_is_external(socket_arg) != 1 && + !rte_eal_has_hugepages()) socket_arg = SOCKET_ID_ANY; return malloc_heap_alloc(type, size, socket_arg, 0, -- 2.17.1