munmap(2)

DESCRIPTION

Removes a memory mapping range.

SYNOPSIS

long munmap(void *addr, long length);

RETURN VALUE

• Returns a non-negative result on success. Negative values are ABI errno codes.

ERRORS

• -EINVAL
  • The length is zero or the address range is invalid.
• -ESRCH
  • There is no current process.

ABI

Arguments enter through the direct syscall ABI; validation is performed before entering the process subsystem.