09cfefb7fa
Add memory management support for LoongArch, including: cache and tlb management, page fault handling and ioremap/mmap support. Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
23 lines
634 B
C
23 lines
634 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LOONGARCH_SPARSEMEM_H
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#define _LOONGARCH_SPARSEMEM_H
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#ifdef CONFIG_SPARSEMEM
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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 29 /* 2^29 = Largest Huge Page Size */
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#define MAX_PHYSMEM_BITS 48
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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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#define INIT_MEMBLOCK_RESERVED_REGIONS (INIT_MEMBLOCK_REGIONS + NR_CPUS)
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#endif /* _LOONGARCH_SPARSEMEM_H */
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