函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\internal.h Create Date:2022-07-27 07:09:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：This function returns the order of a free page in the buddy system

函数原型：static inline unsigned int page_order(struct page *page)

返回类型：unsigned int

参数：

类型参数名称
struct page *page
242  返回:page_private(page)
调用者
名称描述
__perf_output_begin
isolate_freepages_blockIsolate free pages onto a private freelist. If @strict is true, will abort* returning 0 on any invalid PFNs or non-free pages inside of the pageblock* (even though it may still end up isolating some pages).