函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page_idle.h Create Date:2022-07-27 15:36:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:test_and_clear_page_young

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

返回类型:bool

参数:

类型参数名称
struct page *page
70  page_ext等于lookup_page_ext(page)
72  如果此条件成立可能性小(为编译器优化)(!page_ext)则返回:false
75  返回:st_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).
调用者
名称描述
page_referenced_one
madvise_cold_or_pageout_pte_range