函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\swapops.h Create Date:2022-07-27 11:01:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：heck whether a pte points to a swap entry

函数原型：static inline int is_swap_pte(pte_t pte)

返回类型：int

参数：

类型参数名称
pte_tpte
58  返回:非pte_none(pte)且非pte_present(pte)
调用者
名称描述
map_pte
check_pteheck_pte - check if @pvmw->page is mapped at the @pvmw->pte* page_vma_mapped_walk() found a place where @pvmw->page is *potentially** mapped
unuse_pte_range
follow_hugetlb_page
__migration_entry_waitSomething used the pte of a page under migration. We need to* get to the page and wait until migration is finished.* When we return from this function the fault will be retried.
__collapse_huge_page_swapinBring missing pages in from swap, to complete THP collapse.* Only done if khugepaged_scan_pmd believes it is worthwhile.* Called and returns without pte mapped or spinlocks held,* but with mmap_sem held to protect against vma changes.
khugepaged_scan_pmd
get_mctgt_typeget_mctgt_type - get target type of moving charge*@vma: the vma the pte to be checked belongs*@addr: the address corresponding to the pte to be checked*@ptent: the pte to be checked*@target: the pointer the target page or swap ent will be stored(can be