Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\nommu.c Create Date:2022-07-28 14:37:52
Last Modify:2020-03-17 21:26:27 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:vm_munmap

Proto:int vm_munmap(unsigned long addr, size_t len)

Type:int

Parameter:

TypeParameterName
unsigned longaddr
size_tlen
1548  mm = mm
1551  lock for writing
1552  ret = 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  Return ret
Caller
NameDescribe
SYSCALL_DEFINE2
copy_user_test
test_user_copy_init