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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _LOONGARCH_SPARSEMEM_H
- #define _LOONGARCH_SPARSEMEM_H
- #ifdef CONFIG_SPARSEMEM
- /*
- * SECTION_SIZE_BITS 2^N: how big each section will be
- * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
- */
- #define SECTION_SIZE_BITS 29 /* 2^29 = Largest Huge Page Size */
- #define MAX_PHYSMEM_BITS 48
- #ifdef CONFIG_SPARSEMEM_VMEMMAP
- #define VMEMMAP_SIZE (sizeof(struct page) * (1UL << (cpu_pabits + 1 - PAGE_SHIFT)))
- #endif
- #endif /* CONFIG_SPARSEMEM */
- #ifndef VMEMMAP_SIZE
- #define VMEMMAP_SIZE 0 /* 1, For FLATMEM; 2, For SPARSEMEM without VMEMMAP. */
- #endif
- #define INIT_MEMBLOCK_RESERVED_REGIONS (INIT_MEMBLOCK_REGIONS + NR_CPUS)
- #endif /* _LOONGARCH_SPARSEMEM_H */
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