Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\internal.h Create Date:2022-07-28 06:11:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:This function returns the order of a free page in the buddy system

Proto:static inline unsigned int page_order(struct page *page)

Type:unsigned int

Parameter:

TypeParameterName
struct page *page
242  Return page_private(page)
Caller
NameDescribe
__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).