Function malloc_heap_alloc

dpdk/lib/eal/common/malloc_heap.c:732–774

}

void *
malloc_heap_alloc(const char *type, size_t size, int socket_arg,
		unsigned int flags, size_t align, size_t bound, bool contig)
{
	int socket, heap_id, i;
	void *ret;

	/* return NULL if size is 0 or alignment is not power-of-2 */
	if (size == 0 || (align && !rte_is_power_of_2(align)))
		return NULL;

	if (!rte_eal_has_hugepages() && socket_arg < RTE_MAX_NUMA_NODES)
		socket_arg = SOCKET_ID_ANY;

	if (socket_arg == SOCKET_ID_ANY)
		socket = malloc_get_numa_socket();
	else
		socket = socket_arg;

	/* turn socket ID into heap ID */
	heap_id = malloc_socket_to_heap_id(socket);
	/* if heap id is negative, socket ID was invalid */
	if (heap_id < 0)
		return NULL;

	ret = malloc_heap_alloc_on_heap_id(type, size, heap_id, flags, align,
			bound, contig);
	if (ret != NULL || socket_arg != SOCKET_ID_ANY)
		return ret;

	/* try other heaps. we are only iterating through native DPDK sockets,
	 * so external heaps won't be included.
	 */
	for (i = 0; i < (int) rte_socket_count(); i++) {
		if (i == heap_id)
			continue;
		ret = malloc_heap_alloc_on_heap_id(type, size, i, flags, align,
				bound, contig);
		if (ret != NULL)
			return ret;
	}
	return NULL;
}

static void *
heap_alloc_biggest_on_heap_id(const char *type, unsigned int heap_id,