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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 01:55:20 -0400
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /include/asm-x86/sparsemem.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-x86/sparsemem.h')
-rw-r--r--include/asm-x86/sparsemem.h34
1 files changed, 0 insertions, 34 deletions
diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h
deleted file mode 100644
index 38f8e6bc3186..000000000000
--- a/include/asm-x86/sparsemem.h
+++ /dev/null
@@ -1,34 +0,0 @@
1#ifndef ASM_X86__SPARSEMEM_H
2#define ASM_X86__SPARSEMEM_H
3
4#ifdef CONFIG_SPARSEMEM
5/*
6 * generic non-linear memory support:
7 *
8 * 1) we will not split memory into more chunks than will fit into the flags
9 * field of the struct page
10 *
11 * SECTION_SIZE_BITS 2^n: size of each section
12 * MAX_PHYSADDR_BITS 2^n: max size of physical address space
13 * MAX_PHYSMEM_BITS 2^n: how much memory we can have in that space
14 *
15 */
16
17#ifdef CONFIG_X86_32
18# ifdef CONFIG_X86_PAE
19# define SECTION_SIZE_BITS 29
20# define MAX_PHYSADDR_BITS 36
21# define MAX_PHYSMEM_BITS 36
22# else
23# define SECTION_SIZE_BITS 26
24# define MAX_PHYSADDR_BITS 32
25# define MAX_PHYSMEM_BITS 32
26# endif
27#else /* CONFIG_X86_32 */
28# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
29# define MAX_PHYSADDR_BITS 44
30# define MAX_PHYSMEM_BITS 44
31#endif
32
33#endif /* CONFIG_SPARSEMEM */
34#endif /* ASM_X86__SPARSEMEM_H */