162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci#ifndef _ASM_IA64_SPARSEMEM_H
362306a36Sopenharmony_ci#define _ASM_IA64_SPARSEMEM_H
462306a36Sopenharmony_ci
562306a36Sopenharmony_ci#ifdef CONFIG_SPARSEMEM
662306a36Sopenharmony_ci#include <asm/page.h>
762306a36Sopenharmony_ci/*
862306a36Sopenharmony_ci * SECTION_SIZE_BITS            2^N: how big each section will be
962306a36Sopenharmony_ci * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
1062306a36Sopenharmony_ci */
1162306a36Sopenharmony_ci
1262306a36Sopenharmony_ci#define SECTION_SIZE_BITS	(30)
1362306a36Sopenharmony_ci#define MAX_PHYSMEM_BITS	(50)
1462306a36Sopenharmony_ci#ifdef CONFIG_ARCH_FORCE_MAX_ORDER
1562306a36Sopenharmony_ci#if (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT > SECTION_SIZE_BITS)
1662306a36Sopenharmony_ci#undef SECTION_SIZE_BITS
1762306a36Sopenharmony_ci#define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT)
1862306a36Sopenharmony_ci#endif
1962306a36Sopenharmony_ci#endif
2062306a36Sopenharmony_ci
2162306a36Sopenharmony_ci#endif /* CONFIG_SPARSEMEM */
2262306a36Sopenharmony_ci
2362306a36Sopenharmony_ci#ifdef CONFIG_MEMORY_HOTPLUG
2462306a36Sopenharmony_ciint memory_add_physaddr_to_nid(u64 addr);
2562306a36Sopenharmony_ci#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
2662306a36Sopenharmony_ci#endif
2762306a36Sopenharmony_ci
2862306a36Sopenharmony_ci#endif /* _ASM_IA64_SPARSEMEM_H */
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