函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page_ref.h Create Date:2022-07-27 06:43:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:page_ref_dec

函数原型:static inline void page_ref_dec(struct page *page)

返回类型:void

参数:

类型参数名称
struct page *page
114  atomic_dec( & Usage count. *DO NOT USE DIRECTLY*. See page_ref.h )
115  如果page_ref_tracepoint_active(__tracepoint_page_ref_mod)则__page_ref_mod(page, - 1)