Function malloc_heap_alloc_biggest

dpdk/lib/eal/common/malloc_heap.c:795–836

}

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

	/* return NULL if align is not power-of-2 */
	if ((align && !rte_is_power_of_2(align)))
		return NULL;

	if (!rte_eal_has_hugepages())
		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 = heap_alloc_biggest_on_heap_id(type, heap_id, flags, align,
			contig);
	if (ret != NULL || socket_arg != SOCKET_ID_ANY)
		return ret;

	/* try other heaps */
	for (i = 0; i < (int) rte_socket_count(); i++) {
		cur_socket = rte_socket_id_by_idx(i);
		if (cur_socket == socket)
			continue;
		ret = heap_alloc_biggest_on_heap_id(type, i, flags, align,
				contig);
		if (ret != NULL)
			return ret;
	}
	return NULL;
}

/* this function is exposed in malloc_mp.h */
int