[dpdk-dev] [PATCH 04/16] mem: do not check for invalid socket ID

Anatoly Burakov anatoly.burakov at intel.com
Tue Sep 4 15:11:39 CEST 2018


We will be assigning "invalid" socket ID's to external heap, and
malloc will now be able to verify if a supplied socket ID is in
fact a valid one, rendering parameter checks for sockets
obsolete.

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
 lib/librte_eal/common/eal_common_memzone.c | 8 +++++---
 lib/librte_eal/common/rte_malloc.c         | 4 ----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_memzone.c b/lib/librte_eal/common/eal_common_memzone.c
index 7300fe05d..b7081afbf 100644
--- a/lib/librte_eal/common/eal_common_memzone.c
+++ b/lib/librte_eal/common/eal_common_memzone.c
@@ -120,13 +120,15 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
 		return NULL;
 	}
 
-	if ((socket_id != SOCKET_ID_ANY) &&
-	    (socket_id >= RTE_MAX_NUMA_NODES || socket_id < 0)) {
+	if ((socket_id != SOCKET_ID_ANY) && socket_id < 0) {
 		rte_errno = EINVAL;
 		return NULL;
 	}
 
-	if (!rte_eal_has_hugepages())
+	/* only set socket to SOCKET_ID_ANY if we aren't allocating for an
+	 * external heap.
+	 */
+	if (!rte_eal_has_hugepages() && socket_id < RTE_MAX_NUMA_NODES)
 		socket_id = SOCKET_ID_ANY;
 
 	contig = (flags & RTE_MEMZONE_IOVA_CONTIG) != 0;
diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c
index dfcdf380a..458c44ba6 100644
--- a/lib/librte_eal/common/rte_malloc.c
+++ b/lib/librte_eal/common/rte_malloc.c
@@ -47,10 +47,6 @@ rte_malloc_socket(const char *type, size_t size, unsigned int align,
 	if (!rte_eal_has_hugepages())
 		socket_arg = SOCKET_ID_ANY;
 
-	/* Check socket parameter */
-	if (socket_arg >= RTE_MAX_NUMA_NODES)
-		return NULL;
-
 	return malloc_heap_alloc(type, size, socket_arg, 0,
 			align == 0 ? 1 : align, 0, false);
 }
-- 
2.17.1


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