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:pmd_devmap

Proto:static inline int pmd_devmap(pmd_t pmd)

Type:int

Parameter:

TypeParameterName
pmd_tpmd
920  Return 0
Caller
NameDescribe
follow_pmd_mask
vm_normal_page_pmd
copy_pmd_range
zap_pmd_range
pmd_devmap_trans_unstableThe ordering of these checks is important for pmds with _PAGE_DEVMAP set.* If we check pmd_trans_unstable() first we will trip the bad_pmd() check* inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly
__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().
change_pmd_range
pmdp_huge_clear_flush
follow_devmap_pmd
__pmd_trans_huge_lockReturns page table lock pointer if a given pmd maps a thp, NULL otherwise.* Note that if it returns page table lock pointer, this routine returns without* unlocking page table lock. So callers must unlock it.
__split_huge_pmd_locked
__split_huge_pmd
dev_pagemap_mapping_shift
hmm_vma_handle_pmd
hmm_vma_walk_pmd
wp_clean_pmd_entrywp_clean_pmd_entry - The pagewalk pmd callback.
dax_iomap_pte_fault
pmd_trans_huge_lockmmap_sem must be held on entry