1 | // SPDX-License-Identifier: GPL-2.0-only |
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2 | |
3 | #include <linux/uaccess.h> |
4 | #include <linux/kernel.h> |
5 | |
6 | bool 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 |