函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\gup.c Create Date:2022-07-27 15:59:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:FOLL_FORCE can write to even unwritable pte's, but only* after we've gone through a COW cycle and they are dirty.

函数原型:static inline bool can_follow_write_pte(pte_t pte, unsigned int flags)

返回类型:bool

参数:

类型参数名称
pte_tpte
unsigned intflags
169  返回:pte_write(pte)或flags按位与get_user_pages read/write w/o permission flags按位与rnal GUP flag The following only work if pte_present() is true.* Undefined behaviour if not..
调用者
名称描述
follow_page_pte