LXR linux/arch/mips/mm/maccess.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2
   3#include <linux/uaccess.h>
   4#include <linux/kernel.h>
   5
   6bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
   7{
   8        /* highest bit set means kernel space */
   9        return (unsigned long)unsafe_src >> (BITS_PER_LONG - 1);
  10}
  11