pgd_none

函数名称：The "pgd_xxx()" functions here are trivial for a folded two-level* setup: the p4d is never bad, and a p4d always exists (as it's folded* into the pgd entry)

函数原型：static inline int pgd_none(pgd_t pgd)

返回类型：int

参数：

类型	参数	名称
pgd_t	pgd

22

返回:0

**调用者**
名称	描述
follow_page_mask	llow_page_mask - look up a page descriptor from a user-virtual address@vma: vm_area_struct mapping @address@address: virtual address to look up@flags: flags modifying lookup behaviour@ctx: contains dev_pagemap for %ZONE_DEVICE memory pinning and a*
get_gate_page
__follow_pte_pmd
vmalloc_to_page	Walk a vmap address to the struct page it maps.
vmemmap_pgd_populate
shadow_mapped
kasan_populate_early_shadow	kasan_populate_early_shadow - populate shadow memory region with* kasan_early_shadow_page@shadow_start - start of the memory range to populate@shadow_end - end of the memory range to populate
p4d_alloc	The following ifdef needed to get the 5level-fixup.h header to work.* Remove it when 5level-fixup.h has been removed.
pgd_none_or_clear_bad

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码