函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\migrate.c Create Date:2022-07-27 17:32:26
Last Modify:2022-05-20 09:53:13 Copyright©Brick
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函数名称：migration_entry_wait_huge

函数原型：void migration_entry_wait_huge(struct vm_area_struct *vma, struct mm_struct *mm, pte_t *pte)

返回类型：void

参数：

类型参数名称
struct vm_area_struct *vma
struct mm_struct *mm
pte_t *pte
350  ptl等于huge_pte_lockptr(hstate_vma(vma), mm, pte)
351  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.