2023-08-30 16:31:07 +01:00
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_IA64_SPARSEMEM_H
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#define _ASM_IA64_SPARSEMEM_H
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#ifdef CONFIG_SPARSEMEM
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#include <asm/page.h>
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/*
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* SECTION_SIZE_BITS 2^N: how big each section will be
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* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
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*/
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#define SECTION_SIZE_BITS (30)
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#define MAX_PHYSMEM_BITS (50)
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#ifdef CONFIG_ARCH_FORCE_MAX_ORDER
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2023-10-24 11:59:35 +01:00
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#if (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT > SECTION_SIZE_BITS)
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2023-08-30 16:31:07 +01:00
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#undef SECTION_SIZE_BITS
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2023-10-24 11:59:35 +01:00
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#define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT)
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2023-08-30 16:31:07 +01:00
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#endif
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#endif
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#endif /* CONFIG_SPARSEMEM */
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#ifdef CONFIG_MEMORY_HOTPLUG
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int memory_add_physaddr_to_nid(u64 addr);
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#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
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#endif
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#endif /* _ASM_IA64_SPARSEMEM_H */
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