Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\fs.h Create Date:2022-07-28 05:43:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:vma_is_fsdax

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

Type:bool

Parameter:

TypeParameterName
struct vm_area_struct *vma
3379  If Not File we map to (can be NULL). Then Return false
3381  If Not vma_is_dax(vma) Then Return false
3383  inode = file_inode(File we map to (can be NULL). )
3384  If S_ISCHR(i_mode) Then Return false
3386  Return true
Caller
NameDescribe
check_dax_vmasget_dump_page() - pin user page in memory while writing it to core dump*@addr: user address* Returns struct page pointer of user page pinned for dump,* to be freed afterwards by put_page()
get_vaddr_framesget_vaddr_frames() - map virtual addresses to pfns*@start: starting user address*@nr_frames: number of pages / pfns from start to map*@gup_flags: flags modifying lookup behaviour*@vec: structure which receives pages / pfns of the addresses mapped.