函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\nommu.c Create Date:2022-07-27 16:04:10
Last Modify:2020-03-17 21:26:27 Copyright©Brick
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函数名称：vm_munmap

函数原型：int vm_munmap(unsigned long addr, size_t len)

返回类型：int

参数：

类型参数名称
unsigned longaddr
size_tlen
1548  mm等于mm
1551  lock for writing
1552  ret等于lease a mapping* - under NOMMU conditions the chunk to be unmapped must be backed by a single* VMA, though it need not cover the whole VMA
1553  lease a write lock
1554  返回:ret
调用者
名称描述
SYSCALL_DEFINE2
copy_user_test
test_user_copy_init
ioctx_allocx_alloc* Allocates and initializes an ioctx. Returns an ERR_PTR if it failed.