函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-27 11:34:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Hash related functions* Every DMA-API request is saved into a struct dma_debug_entry. To* have quick access to these structs they are stored into a hash.

函数原型：static int hash_fn(struct dma_debug_entry *entry)

返回类型：int

参数：

类型参数名称
struct dma_debug_entry *entry
236  返回:dev_addr右移HASH_FN_SHIFT位按位与HASH_FN_MASK
调用者
名称描述
get_hash_bucketRequest exclusive access to a hash bucket for a given dma_debug_entry.