函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memory.c Create Date:2022-07-27 16:08:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：handle_pte_fault chooses page fault handler according to an entry which was* read non-atomically

函数原型：static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd, pte_t *page_table, pte_t orig_pte)

返回类型：int

参数：

类型参数名称
struct mm_struct *mm
pmd_t *pmd
pte_t *page_table
pte_torig_pte
2205  same等于1
2214  pte_unmap(page_table)
2215  返回:same
调用者
名称描述
do_swap_pageWe 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