Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\userfaultfd_k.h Create Date:2022-07-28 08:55:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:userfaultfd_missing

Proto:static inline bool userfaultfd_missing(struct vm_area_struct *vma)

Type:bool

Parameter:

TypeParameterName
struct vm_area_struct *vma
52  Return Flags, see mm.h. & missing pages tracking
Caller
NameDescribe
do_anonymous_pageWe enter with non-exclusive mmap_sem (to exclude vma changes,* but allow concurrent faults), and pte mapped but not yet locked.* We return with mmap_sem still held, but pte unmapped and unlocked.
hugetlb_no_page
__do_huge_pmd_anonymous_page
do_huge_pmd_anonymous_page
userfaultfd_unregister