Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page-flags.h Create Date:2022-07-28 05:36:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__ClearPageReserved

Proto:static inline __attribute__((__always_inline__)) void __ClearPageReserved(struct page *page)

Type:void

Parameter:

TypeParameterName
struct page *page
338  __clear_bit - Clears a bit in memory*@nr: the bit to clear*@addr: the address to start counting from* Unlike clear_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation
Caller
NameDescribe
__free_pages_core
init_cma_reserved_pageblockFree whole pageblock and set its migration type to MIGRATE_CMA.
prep_compound_gigantic_page