1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_IA64_SPARSEMEM_H
3#define _ASM_IA64_SPARSEMEM_H
4
5#ifdef CONFIG_SPARSEMEM
6#include <asm/page.h>
7/*
8 * SECTION_SIZE_BITS            2^N: how big each section will be
9 * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
10 */
11
12#define SECTION_SIZE_BITS	(30)
13#define MAX_PHYSMEM_BITS	(50)
14#ifdef CONFIG_ARCH_FORCE_MAX_ORDER
15#if (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT > SECTION_SIZE_BITS)
16#undef SECTION_SIZE_BITS
17#define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT)
18#endif
19#endif
20
21#endif /* CONFIG_SPARSEMEM */
22
23#ifdef CONFIG_MEMORY_HOTPLUG
24int memory_add_physaddr_to_nid(u64 addr);
25#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
26#endif
27
28#endif /* _ASM_IA64_SPARSEMEM_H */
29