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-rw-r--r--include/asm-powerpc/sparsemem.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
new file mode 100644
index 000000000000..1c95ab99deb3
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+++ b/include/asm-powerpc/sparsemem.h
@@ -0,0 +1,16 @@
1#ifndef _ASM_POWERPC_SPARSEMEM_H
2#define _ASM_POWERPC_SPARSEMEM_H 1
3
4#ifdef CONFIG_SPARSEMEM
5/*
6 * SECTION_SIZE_BITS 2^N: how big each section will be
7 * MAX_PHYSADDR_BITS 2^N: how much physical address space we have
8 * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
9 */
10#define SECTION_SIZE_BITS 24
11#define MAX_PHYSADDR_BITS 38
12#define MAX_PHYSMEM_BITS 36
13
14#endif /* CONFIG_SPARSEMEM */
15
16#endif /* _ASM_POWERPC_SPARSEMEM_H */