函数名称:dma_alloc_attrs 函数原型:void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs) 返回类型:void 参数: 类型参数名称 struct device * dev size_t size dma_addr_t * dma_handle gfp_t flag unsigned long attrs 267...