函数逻辑报告 |
Source Code:include\linux\swapops.h |
Create Date:2022-07-27 11:02:01 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称:is_migration_entry
函数原型:static inline int is_migration_entry(swp_entry_t entry)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
swp_entry_t | entry |
名称 | 描述 |
---|---|
follow_page_pte | |
copy_one_pte | py one vm_area from one task to the other. Assumes the page tables* already present in the new task to be cleared in the whole range* covered by this vma. |
zap_pte_range | |
do_swap_page | We enter with non-exclusive mmap_sem (to exclude vma changes,* but allow concurrent faults), and pte mapped but not yet locked.* We return with pte unmapped and unlocked.* We return with the mmap_sem locked or unlocked in the same cases |
check_pte | heck_pte - check if @pvmw->page is mapped at the @pvmw->pte* page_vma_mapped_walk() found a place where @pvmw->page is *potentially** mapped |
page_vma_mapped_walk | page_vma_mapped_walk - check if @pvmw->page is mapped in @pvmw->vma at*@pvmw->address*@pvmw: pointer to struct page_vma_mapped_walk. page, vma, address and flags* must be set. pmd, pte and ptl must be NULL.* Returns true if the page is mapped in the vma |
is_hugetlb_entry_migration | |
__migration_entry_wait | Something 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. |
hmm_vma_handle_pte |
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