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：page_is_idle

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

返回类型：bool

参数：

类型参数名称
struct page *page
80  page_ext等于lookup_page_ext(page)
82  如果此条件成立可能性小(为编译器优化)(!page_ext)则返回:false
85  返回:st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from
调用者
名称描述
mark_page_accessedMark a page as having seen activity.* inactive,unreferenced -> inactive,referenced* inactive,referenced -> active,unreferenced* active,unreferenced -> active,referenced* When a newly allocated page is not yet visible, so safe for non-atomic ops,
migrate_page_statesCopy the page to its new location
__split_huge_page_tail
page_idle_bitmap_read