Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page_ref.h Create Date:2022-07-28 05:41:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:page_ref_count

Proto:static inline int page_ref_count(struct page *page)

Type:int

Parameter:

TypeParameterName
struct page *page
67  Return atomic_read( & Usage count. *DO NOT USE DIRECTLY*. See page_ref.h )
Caller
NameDescribe
ring_buffer_free_read_pageg_buffer_free_read_page - free an allocated read page*@buffer: the buffer the page was allocate for*@cpu: the cpu buffer the page came from*@data: the page to free* Free a page allocated from ring_buffer_alloc_read_page.
__dump_page
page_expected_stateA bad page could be due to a number of fields. Instead of multiple branches,* try and check multiple fields with one check. The caller must do a detailed* check if necessary.
free_pages_check_bad
check_new_page_bad
__page_frag_cache_drain
has_unmovable_pagesThis function checks whether pageblock includes unmovable pages or not.* If @count is not zero, it is okay to include less @count unmovable pages* PageLRU check without isolation or lru_lock could race so that
dax_disassociate_entry
dax_busy_page