Cregit: Linux 6.18: kfence.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Marco Elver	51	60.00%	1	16.67%
Zhenhua HUANG	24	28.24%	1	16.67%
Catalin Marinas	5	5.88%	1	16.67%
Anshuman Khandual	3	3.53%	1	16.67%
Mike Rapoport	1	1.18%	1	16.67%
Ryan Roberts	1	1.18%	1	16.67%
Total	85		6

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arm64 KFENCE support.
 *
 * Copyright (C) 2020, Google LLC.
 */

#ifndef __ASM_KFENCE_H
#define __ASM_KFENCE_H

#include <asm/set_memory.h>

static inline bool kfence_protect_page(unsigned long addr, bool protect)
{
	set_memory_valid(addr, 1, !protect);

	return true;
}

#ifdef CONFIG_KFENCE
extern bool kfence_early_init;
static inline bool arm64_kfence_can_set_direct_map(void)
{
	return !kfence_early_init;
}
bool arch_kfence_init_pool(void);
#else /* CONFIG_KFENCE */
static inline bool arm64_kfence_can_set_direct_map(void) { return false; }
#endif /* CONFIG_KFENCE */

#endif /* __ASM_KFENCE_H */