Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\util.c Create Date:2022-07-28 14:22:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:For file cache pages, return the address_space, otherwise return NULL

Proto:struct address_space *page_mapping_file(struct page *page)

Type:struct address_space

Parameter:

TypeParameterName
struct page *page
688  If Value for the false possibility is greater at compile time(PageSwapCache(page)) Then Return NULL
690  Return page_mapping(page)