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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/ia64/include/asm/sparsemem.h | |
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/ia64/include/asm/sparsemem.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/include/asm/sparsemem.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/ia64/include/asm/sparsemem.h b/ANDROID_3.4.5/arch/ia64/include/asm/sparsemem.h new file mode 100644 index 00000000..67a7c40e --- /dev/null +++ b/ANDROID_3.4.5/arch/ia64/include/asm/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 */ |