| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _MIPS_SPARSEMEM_H |
| 3 | #define _MIPS_SPARSEMEM_H |
| 4 | #ifdef CONFIG_SPARSEMEM |
| 5 | |
| 6 | /* |
| 7 | * SECTION_SIZE_BITS 2^N: how big each section will be |
| 8 | * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space |
| 9 | */ |
| 10 | #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB) |
| 11 | # define SECTION_SIZE_BITS 29 |
| 12 | #else |
| 13 | # define SECTION_SIZE_BITS 28 |
| 14 | #endif |
| 15 | #define MAX_PHYSMEM_BITS 48 |
| 16 | |
| 17 | #endif /* CONFIG_SPARSEMEM */ |
| 18 | #endif /* _MIPS_SPARSEMEM_H */ |