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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_ALPHA_SPARSEMEM_H
3#define _ASM_ALPHA_SPARSEMEM_H
4
5#ifdef CONFIG_SPARSEMEM
6
7#define SECTION_SIZE_BITS 27
8
9/*
10 * According to "Alpha Architecture Reference Manual" physical
11 * addresses are at most 48 bits.
12 * https://download.majix.org/dec/alpha_arch_ref.pdf
13 */
14#define MAX_PHYSMEM_BITS 48
15
16#endif /* CONFIG_SPARSEMEM */
17
18#endif /* _ASM_ALPHA_SPARSEMEM_H */