Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\asm-generic\pgtable.h Create Date:2022-07-28 06:00:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:pud_devmap

Proto:static inline int pud_devmap(pud_t pud)

Type:int

Parameter:

TypeParameterName
pud_tpud
924  Return 0
Caller
NameDescribe
follow_pud_mask
copy_pud_range
zap_pud_range
__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().
__pud_trans_huge_lockReturns 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.
dev_pagemap_mapping_shift
wp_clean_pud_entrywp_clean_pud_entry - The pagewalk pud callback.
pud_trans_huge_lock