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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_KASAN_H
#define __ASM_KASAN_H
#include <asm/pgtable.h>
#ifdef CONFIG_KASAN
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_SIZE \
(_AC(1, UL) << (_REGION1_SHIFT - KASAN_SHADOW_SCALE_SHIFT))
#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
#define KASAN_SHADOW_START KASAN_SHADOW_OFFSET
#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
extern void kasan_early_init(void);
extern void kasan_copy_shadow_mapping(void);
extern void kasan_free_early_identity(void);
extern unsigned long kasan_vmax;
#else
static inline void kasan_early_init(void) { }
static inline void kasan_copy_shadow_mapping(void) { }
static inline void kasan_free_early_identity(void) { }
#endif
#endif
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