| #ifndef _ASM_IA64_SPARSEMEM_H | |
| #define _ASM_IA64_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 (30) | |
| #define MAX_PHYSMEM_BITS (50) | |
| #ifdef CONFIG_FORCE_MAX_ZONEORDER | |
| #if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS) | |
| #undef SECTION_SIZE_BITS | |
| #define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) | |
| #endif | |
| #endif | |
| #endif /* CONFIG_SPARSEMEM */ | |
| #endif /* _ASM_IA64_SPARSEMEM_H */ |