projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1be7d993 BP |
1 | #ifndef _ASM_IA64_SPARSEMEM_H |
| 2 | #define _ASM_IA64_SPARSEMEM_H | |
| 3 | ||
| 4 | #ifdef CONFIG_SPARSEMEM | |
| 5 | /* | |
| 6 | * SECTION_SIZE_BITS 2^N: how big each section will be | |
| 7 | * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space | |
| 8 | */ | |
| 9 | ||
| 10 | #define SECTION_SIZE_BITS (30) | |
| 11 | #define MAX_PHYSMEM_BITS (50) | |
| 12 | #ifdef CONFIG_FORCE_MAX_ZONEORDER | |
| 13 | #if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS) | |
| 14 | #undef SECTION_SIZE_BITS | |
| 15 | #define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) | |
| 16 | #endif | |
| 17 | #endif | |
| 18 | ||
| 19 | #endif /* CONFIG_SPARSEMEM */ | |
| 20 | #endif /* _ASM_IA64_SPARSEMEM_H */ |