#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 */ |