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 16:10:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:The ordering of these checks is important for pmds with _PAGE_DEVMAP set.* If we check pmd_trans_unstable() first we will trip the bad_pmd() check* inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly

函数原型:static int pmd_devmap_trans_unstable(pmd_t *pmd)

返回类型:int

参数:

类型参数名称
pmd_t *pmd
3288  返回:pmd_devmap( * pmd)或This is a noop if Transparent Hugepage Support is not built into* the kernel
调用者
名称描述
pte_alloc_one_map
handle_pte_faultThese routines also need to handle stuff like marking pages dirty* and/or accessed for architectures that don't do it in hardware (most* RISC architectures)