函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\virt.c Create Date:2022-07-27 11:33:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：dma_virt_free

函数原型：static void dma_virt_free(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs)

返回类型：void

参数：

类型参数名称
struct device *dev
size_tsize
void *cpu_addr
dma_addr_tdma_addr
unsigned longattrs
26  free_pages((unsignedlong)cpu_addr, get_order - Determine the allocation order of a memory size*@size: The size for which to get the order* Determine the allocation order of a particular sized block of memory)