函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\userfaultfd.c Create Date:2022-07-27 18:09:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mcopy_atomic

函数原型：ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start, unsigned long src_start, unsigned long len, bool *mmap_changing)

返回类型：ssize_t

参数：

类型参数名称
struct mm_struct *dst_mm
unsigned longdst_start
unsigned longsrc_start
unsigned longlen
bool *mmap_changing
607  返回:__mcopy_atomic(dst_mm, dst_start, src_start, len, TSC's on different sockets may be reset asynchronously.* This may cause the TSC ADJUST value on socket 0 to be NOT 0., mmap_changing)
调用者
名称描述
userfaultfd_copy