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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/ia64/include/asm/sparsemem.h | |
| parent | [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff) | |
| parent | kbuild: a better way to generate cscope database change (diff) | |
| download | linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/ia64/include/asm/sparsemem.h')
| -rw-r--r-- | arch/ia64/include/asm/sparsemem.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sparsemem.h b/arch/ia64/include/asm/sparsemem.h new file mode 100644 index 000000000000..67a7c40ec27f --- /dev/null +++ b/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 */ |