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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 23:39:24 +0300 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 23:39:24 +0300 |
| commit | 7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch) | |
| tree | 541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /include/asm-ia64/sparsemem.h | |
| parent | f1e691a24955ea987f021f378324fb5003b1b208 (diff) | |
| parent | 70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff) | |
| download | linux-7211bb9b64f17b23834d91fc3d0c1d78671ee9a8.tar.xz | |
Merge branch 'master'
Diffstat (limited to 'include/asm-ia64/sparsemem.h')
| -rw-r--r-- | include/asm-ia64/sparsemem.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-ia64/sparsemem.h b/include/asm-ia64/sparsemem.h new file mode 100644 index 000000000000..67a7c40ec27f --- /dev/null +++ b/include/asm-ia64/sparsemem.h @@ -0,0 +1,20 @@ +#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 */ |