From 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:20:03 +0200 Subject: i386/x86_64: move headers to include/asm-x86 Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- include/asm-x86/sparsemem_32.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/asm-x86/sparsemem_32.h (limited to 'include/asm-x86/sparsemem_32.h') diff --git a/include/asm-x86/sparsemem_32.h b/include/asm-x86/sparsemem_32.h new file mode 100644 index 00000000000..cfeed990585 --- /dev/null +++ b/include/asm-x86/sparsemem_32.h @@ -0,0 +1,31 @@ +#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 + +/* XXX: FIXME -- wli */ +#define kern_addr_valid(kaddr) (0) + +#endif /* CONFIG_SPARSEMEM */ +#endif /* _I386_SPARSEMEM_H */ -- cgit v1.2.3