is_migration_entry

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

174

返回:此条件成立可能性小(为编译器优化)(Extract the `type' field from a swp_entry_t. The swp_entry_t is in* arch-independent format == SWP_MIGRATION_READ || Extract the `type' field from a swp_entry_t. The swp_entry_t is in* arch-independent format == SWP_MIGRATION_WRITE)

**调用者**
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

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码