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__COPY_TO_USER_INATO(9) Memory Management in Linux __COPY_TO_USER_INATO(9)

NAME

__copy_to_user_inatomic - Copy a block of data into user space, with less checking.

SYNOPSIS

unsigned long __copy_to_user_inatomic(void __user * to, const void * from, unsigned long n);

ARGUMENTS

to
Destination address, in user space.

from

Source address, in kernel space.

n

Number of bytes to copy.

CONTEXT

User context only.

DESCRIPTION

Copy data from kernel space to user space. Caller must check the specified block with access_ok before calling this function. The caller should also make sure he pins the user space address so that we don't result in page fault and sleep.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.