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![David Daney](/assets/img/avatar_default.png)
When using sparsemem, we need to adjust some constants as the resulting huge pages are 512MB in size. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3745/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
17 lines
445 B
C
17 lines
445 B
C
#ifndef _MIPS_SPARSEMEM_H
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#define _MIPS_SPARSEMEM_H
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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_PHYSMEM_BITS 2^N: how much memory we can have in that space
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*/
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#if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_PAGE_SIZE_64KB)
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# define SECTION_SIZE_BITS 29
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#else
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# define SECTION_SIZE_BITS 28
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#endif
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#define MAX_PHYSMEM_BITS 35
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#endif /* CONFIG_SPARSEMEM */
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#endif /* _MIPS_SPARSEMEM_H */
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