函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\dmapool.c Create Date:2022-07-27 16:54:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：is_page_busy

函数原型：static inline bool is_page_busy(struct dma_page *page)

返回类型：bool

参数：

类型参数名称
struct dma_page *page
246  返回:in_use不等于0
调用者
名称描述
dma_pool_destroydma_pool_destroy - destroys a pool of dma memory blocks.*@pool: dma pool that will be destroyed* Context: !in_interrupt()* Caller guarantees that no more memory from the pool is in use,* and that nothing will try to use the pool after this call.