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Andy Whitcroft
145e664231
Provide the architecture specific implementation for SPARSEMEM for PPC64 systems. Signed-off-by: Andy Whitcroft <[email protected]> Signed-off-by: Dave Hansen <[email protected]> Signed-off-by: Mike Kravetz <[email protected]> (in part) Signed-off-by: Martin Bligh <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
17 lines
460 B
C
17 lines
460 B
C
#ifndef _ASM_PPC64_SPARSEMEM_H
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#define _ASM_PPC64_SPARSEMEM_H 1
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#ifdef CONFIG_SPARSEMEM
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/*
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* SECTION_SIZE_BITS 2^N: how big each section will be
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* MAX_PHYSADDR_BITS 2^N: how much physical address space we have
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* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
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*/
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#define SECTION_SIZE_BITS 24
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#define MAX_PHYSADDR_BITS 38
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#define MAX_PHYSMEM_BITS 36
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#endif /* CONFIG_SPARSEMEM */
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#endif /* _ASM_PPC64_SPARSEMEM_H */
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