函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_owner.c Create Date:2022-07-27 17:58:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__split_page_owner

函数原型:void __split_page_owner(struct page *page, unsigned int order)

返回类型:void

参数:

类型参数名称
struct page *page
unsigned intorder
210  page_ext等于lookup_page_ext(page)
213  如果此条件成立可能性小(为编译器优化)(!page_ext)则返回
216 i小于1左移order循环
217  page_owner等于get_page_owner(page_ext)
218  order等于0
219  page_ext等于page_ext_next(page_ext)