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MIPS: Handle huge pages with 64KB base page size.
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>
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@ -1786,10 +1786,12 @@ endchoice
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config FORCE_MAX_ZONEORDER
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int "Maximum zone order"
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range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
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default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
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range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
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default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
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range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
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default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
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range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
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default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
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range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
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default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
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range 11 64
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default "11"
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help
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@ -6,7 +6,11 @@
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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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