Function rte_malloc_heap_memory_remove

dpdk/lib/eal/common/rte_malloc.c:450–497

}

int
rte_malloc_heap_memory_remove(const char *heap_name, void *va_addr, size_t len)
{
	struct malloc_heap *heap = NULL;
	struct rte_memseg_list *msl;
	int ret;

	if (heap_name == NULL || va_addr == NULL || len == 0 ||
			strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) == 0 ||
			strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) ==
				RTE_HEAP_NAME_MAX_LEN) {
		rte_errno = EINVAL;
		return -1;
	}
	rte_mcfg_mem_write_lock();
	/* find our heap */
	heap = find_named_heap(heap_name);
	if (heap == NULL) {
		rte_errno = ENOENT;
		ret = -1;
		goto unlock;
	}
	if (heap->socket_id < RTE_MAX_NUMA_NODES) {
		/* cannot remove memory from internal heaps */
		rte_errno = EPERM;
		ret = -1;
		goto unlock;
	}

	msl = malloc_heap_find_external_seg(va_addr, len);
	if (msl == NULL) {
		ret = -1;
		goto unlock;
	}

	rte_spinlock_lock(&heap->lock);
	ret = malloc_heap_remove_external_memory(heap, va_addr, len);
	rte_spinlock_unlock(&heap->lock);
	if (ret != 0)
		goto unlock;

	ret = malloc_heap_destroy_external_seg(msl);

unlock:
	rte_mcfg_mem_write_unlock();

	return ret;
}

static int
sync_memory(const char *heap_name, void *va_addr, size_t len, bool attach)