other versions
| __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¶
void __user * to
Destination address, in user space.
const void * from
Source address, in kernel space.
unsigned long 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¶
| June 2017 | Kernel Hackers Manual 4.11 |