From: Thomas Gleixner Date: Wed, 30 Jan 2008 12:30:37 +0000 (+0100) Subject: x86: merge include/asm-x86/sparsemem.h X-Git-Tag: v2.6.25-rc1~1143^2~762 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a423ff0c4a0472607bbed6790fdaeec54af2ebb;p=linux-2.6 x86: merge include/asm-x86/sparsemem.h Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h index 19a89377b1..1e0ed34a6a 100644 --- a/include/asm-x86/mmzone_64.h +++ b/include/asm-x86/mmzone_64.h @@ -41,6 +41,8 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ NODE_DATA(nid)->node_spanned_pages) +extern int early_pfn_to_nid(unsigned long pfn); + #ifdef CONFIG_DISCONTIGMEM #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h index 3f203b1d9e..fa58cd5541 100644 --- a/include/asm-x86/sparsemem.h +++ b/include/asm-x86/sparsemem.h @@ -1,5 +1,34 @@ +#ifndef _ASM_X86_SPARSEMEM_H +#define _ASM_X86_SPARSEMEM_H + +#ifdef CONFIG_SPARSEMEM +/* + * generic non-linear memory support: + * + * 1) we will not split memory into more chunks than will fit into the flags + * field of the struct page + * + * SECTION_SIZE_BITS 2^n: size of each section + * MAX_PHYSADDR_BITS 2^n: max size of physical address space + * MAX_PHYSMEM_BITS 2^n: how much memory we can have in that space + * + */ + #ifdef CONFIG_X86_32 -# include "sparsemem_32.h" -#else -# include "sparsemem_64.h" +# ifdef CONFIG_X86_PAE +# define SECTION_SIZE_BITS 30 +# define MAX_PHYSADDR_BITS 36 +# define MAX_PHYSMEM_BITS 36 +# else +# define SECTION_SIZE_BITS 26 +# define MAX_PHYSADDR_BITS 32 +# define MAX_PHYSMEM_BITS 32 +# endif +#else /* CONFIG_X86_32 */ +# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */ +# define MAX_PHYSADDR_BITS 40 +# define MAX_PHYSMEM_BITS 40 +#endif + +#endif /* CONFIG_SPARSEMEM */ #endif diff --git a/include/asm-x86/sparsemem_32.h b/include/asm-x86/sparsemem_32.h deleted file mode 100644 index d89c321005..0000000000 --- a/include/asm-x86/sparsemem_32.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef _I386_SPARSEMEM_H -#define _I386_SPARSEMEM_H -#ifdef CONFIG_SPARSEMEM - -/* - * generic non-linear memory support: - * - * 1) we will not split memory into more chunks than will fit into the - * flags field of the struct page - */ - -/* - * 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 - */ -#ifdef CONFIG_X86_PAE -#define SECTION_SIZE_BITS 30 -#define MAX_PHYSADDR_BITS 36 -#define MAX_PHYSMEM_BITS 36 -#else -#define SECTION_SIZE_BITS 26 -#define MAX_PHYSADDR_BITS 32 -#define MAX_PHYSMEM_BITS 32 -#endif - -#endif /* CONFIG_SPARSEMEM */ -#endif /* _I386_SPARSEMEM_H */ diff --git a/include/asm-x86/sparsemem_64.h b/include/asm-x86/sparsemem_64.h deleted file mode 100644 index dabb16714a..0000000000 --- a/include/asm-x86/sparsemem_64.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _ASM_X86_64_SPARSEMEM_H -#define _ASM_X86_64_SPARSEMEM_H 1 - -#ifdef CONFIG_SPARSEMEM - -/* - * generic non-linear memory support: - * - * 1) we will not split memory into more chunks than will fit into the flags - * field of the struct page - * - * SECTION_SIZE_BITS 2^n: size of each section - * MAX_PHYSADDR_BITS 2^n: max size of physical address space - * MAX_PHYSMEM_BITS 2^n: how much memory we can have in that space - * - */ - -#define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */ -#define MAX_PHYSADDR_BITS 40 -#define MAX_PHYSMEM_BITS 40 - -extern int early_pfn_to_nid(unsigned long pfn); - -#endif /* CONFIG_SPARSEMEM */ - -#endif /* _ASM_X86_64_SPARSEMEM_H */