https://github.com/torvalds/linux
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Tip revision: 6613476e225e090cc9aad49be7fa504e290dd33d authored by Linus Torvalds on 21 January 2024, 22:11:32 UTC
Linux 6.8-rc1
Tip revision: 6613476
maccess.c
// SPDX-License-Identifier: GPL-2.0-only

#include <linux/uaccess.h>
#include <linux/kernel.h>

bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
{
	/* highest bit set means kernel space */
	return (unsigned long)unsafe_src >> (BITS_PER_LONG - 1);
}
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