Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\huge_mm.h Create Date:2022-07-28 05:43:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:pud_trans_huge_lock

Proto:static inline spinlock_t *pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma)

Type:spinlock_t

Parameter:

TypeParameterName
pud_t *pud
struct vm_area_struct *vma
227  If pud_trans_huge( * pud) || pud_devmap( * pud) Then Return Returns true if a given pud maps a thp, false otherwise.* Note that if it returns true, this routine returns without unlocking page* table lock. So callers must unlock it.
229  Else Return NULL
Caller
NameDescribe
walk_pud_range