| #ifndef _ASM_PPC64_SPARSEMEM_H | |
| #define _ASM_PPC64_SPARSEMEM_H 1 | |
| #ifdef CONFIG_SPARSEMEM | |
| /* | |
| * SECTION_SIZE_BITS 2^N: how big each section will be | |
| * MAX_PHYSADDR_BITS 2^N: how much physical address space we have | |
| * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space | |
| */ | |
| #define SECTION_SIZE_BITS 24 | |
| #define MAX_PHYSADDR_BITS 38 | |
| #define MAX_PHYSMEM_BITS 36 | |
| #endif /* CONFIG_SPARSEMEM */ | |
| #endif /* _ASM_PPC64_SPARSEMEM_H */ |