Function round_up

flow/test_memcpy_perf.cpp:70–72

static uint8_t *small_buf_read, *small_buf_write;

static size_t round_up(size_t sz, size_t alignment) {
	return (((sz - 1) / alignment) + 1) * alignment;
}

static uint8_t* rte_malloc(char const* ignored, size_t sz, size_t align) {
	return (uint8_t*)aligned_alloc(align, round_up(sz, align));