Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\pgtable.h Create Date:2022-07-28 06:00:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:pmd_bad

Proto:static inline int pmd_bad(pmd_t pmd)

Type:int

Parameter:

TypeParameterName
pmd_tpmd
841  Return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE
Caller
NameDescribe
follow_page_pte
__follow_pte_pmd
pmd_none_or_clear_bad_unless_trans_hugeUsed when setting automatic NUMA hinting protection where it is* critical that a numa hinting PMD is not confused with a bad PMD.
vmalloc_to_pageWalk a vmap address to the struct page it maps.
shadow_mapped
hmm_vma_walk_pmd