arch/mips/mm/maccess.c at v5.19

tjh.dev / kernel

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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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kernel / arch / mips / mm / maccess.c

at v5.19 10 lines 275 B view raw

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 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}