Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\asm-generic\pgtable-nopmd.h Create Date:2022-07-28 05:34:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:The "pud_xxx()" functions here are trivial for a folded two-level* setup: the pmd is never bad, and a pmd always exists (as it's folded* into the pud entry)

Proto:static inline int pud_none(pud_t pud)

Type:int

Parameter:

TypeParameterName
pud_tpud
30  Return 0
Caller
NameDescribe
follow_pud_mask
get_gate_page
__handle_mm_faultBy the time we get here, we already hold the mm semaphore* The mmap_sem may have been released depending on flags and our* return value. See filemap_fault() and __lock_page_or_retry().
__follow_pte_pmd
walk_pud_range
vmalloc_to_pageWalk a vmap address to the struct page it maps.
vmemmap_pud_populate
shadow_mapped
zero_pud_populate
kasan_free_pud