Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\asm-generic\pgtable.h Create Date:2022-07-28 06:00:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Start a pte protection read-modify-write transaction, which* protects against asynchronous hardware modifications to the pte

Proto:static inline pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)

Type:pte_t

Parameter:

TypeParameterName
struct vm_area_struct *vma
unsigned longaddr
pte_t *ptep
662  Return __ptep_modify_prot_start(vma, addr, ptep)
Caller
NameDescribe
do_numa_page
change_pte_range
wp_ptewp_pte - Write-protect a pte*@pte: Pointer to the pte*@addr: The virtual page address*@walk: pagetable walk callback argument* The function write-protects a pte and records the range in
clean_record_ptelean_record_pte - Clean a pte and record its address space offset in a* bitmap*@pte: Pointer to the pte*@addr: The virtual page address*@walk: pagetable walk callback argument* The function cleans a pte and records the range in