函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\swap.h Create Date:2022-07-27 06:56:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：lookup_swap_cache

函数原型：static inline struct page *lookup_swap_cache(swp_entry_t swp, struct vm_area_struct *vma, unsigned long addr)

返回类型：struct page

参数：

类型参数名称
swp_entry_tswp
struct vm_area_struct *vma
unsigned longaddr
559  返回:NULL
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