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28 lines
785 B
28 lines
785 B
/* 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_FORCE_MAX_ZONEORDER |
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#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS) |
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#undef SECTION_SIZE_BITS |
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#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) |
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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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