Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mmap.c Create Date:2022-07-28 14:48:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:SYSCALL_DEFINE1

Proto:SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg)

Type:

Parameter:Nothing

1625  If copy_from_user( & a, arg, size of a ) Then Return -EFAULT
1627  If offset_in_page(offset) Then Return -EINVAL
1630  Return ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT determines the page size )