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:is_zero_pfn

Proto:static inline int is_zero_pfn(unsigned long pfn)

Type:int

Parameter:

TypeParameterName
unsigned longpfn
883  Return pfn == zero_pfn
Caller
NameDescribe
follow_page_pte
get_gate_page
vm_normal_pagevm_normal_page -- This function gets the "struct page" associated with a pte.* "Special" mappings do not wish to be associated with a "struct page" (either* it doesn't exist, or it exists but they don't want to touch it). In this
insert_pfn
vm_mixed_ok
wp_page_copyHandle the case of a page which we actually need to copy to a new page.* Called with mmap_sem locked and the old page referenced, but* without the ptl held.* High level logic flow:* - Allocate a page, copy the content of the old page to the new one.
replace_pageplace_page - replace page in vma by new ksm page*@vma: vma that holds the pte pointing to page*@page: the page we are replacing by kpage*@kpage: the ksm page we replace page by*@orig_pte: the original value of the pte
release_pte_pages
__collapse_huge_page_isolate
__collapse_huge_page_copy
khugepaged_scan_pmd
hmm_vma_handle_pte