Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _LOONGARCH_SPARSEMEM_H |
| 3 | #define _LOONGARCH_SPARSEMEM_H |
| 4 | |
| 5 | #ifdef CONFIG_SPARSEMEM |
| 6 | |
| 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 | #define SECTION_SIZE_BITS 29 /* 2^29 = Largest Huge Page Size */ |
| 12 | #define MAX_PHYSMEM_BITS 48 |
| 13 | |
| 14 | #ifdef CONFIG_SPARSEMEM_VMEMMAP |
| 15 | #define VMEMMAP_SIZE (sizeof(struct page) * (1UL << (cpu_pabits + 1 - PAGE_SHIFT))) |
| 16 | #endif |
| 17 | |
| 18 | #endif /* CONFIG_SPARSEMEM */ |
| 19 | |
| 20 | #ifndef VMEMMAP_SIZE |
| 21 | #define VMEMMAP_SIZE 0 /* 1, For FLATMEM; 2, For SPARSEMEM without VMEMMAP. */ |
| 22 | #endif |
| 23 | |
| 24 | #define INIT_MEMBLOCK_RESERVED_REGIONS (INIT_MEMBLOCK_REGIONS + NR_CPUS) |
| 25 | |
| 26 | #endif /* _LOONGARCH_SPARSEMEM_H */ |
| 27 |
Warning: This file is not a C or C++ file. It does not have highlighting.