Function sync_memory

dpdk/lib/eal/common/eal_common_memory.c:979–1006

}

static int
sync_memory(void *va_addr, size_t len, bool attach)
{
	struct rte_memseg_list *msl;
	int ret = 0;

	if (va_addr == NULL || len == 0) {
		rte_errno = EINVAL;
		return -1;
	}
	rte_mcfg_mem_write_lock();

	/* find our segment */
	msl = malloc_heap_find_external_seg(va_addr, len);
	if (msl == NULL) {
		rte_errno = ENOENT;
		ret = -1;
		goto unlock;
	}
	if (attach)
		ret = rte_fbarray_attach(&msl->memseg_arr);
	else
		ret = rte_fbarray_detach(&msl->memseg_arr);

unlock:
	rte_mcfg_mem_write_unlock();
	return ret;
}

int
rte_extmem_attach(void *va_addr, size_t len)