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MIPS: Control huge tlb support via Kconfig symbol MIPS_HUGE_TLB_SUPPORT

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We need Huge TLBs for HUGETLB_PAGE, or the soon to follow
TRANSPARENT_HUGEPAGE.  collect this information under a single Kconfig
symbol.

Signed-off-by: David Daney <david.daney@cavium.com>
This commit is contained in:
David Daney
2012-10-17 00:48:10 +02:00
committed by Ralf Baechle
parent c17a655478
commit aa1762f49c
7 changed files with 23 additions and 20 deletions
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6
arch/mips/include/asm/page.h
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@@ -33,17 +33,17 @@
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE - 1))
#ifdef CONFIG_HUGETLB_PAGE
#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
#define HPAGE_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3)
#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT)
#define HPAGE_MASK (~(HPAGE_SIZE - 1))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
#else /* !CONFIG_HUGETLB_PAGE */
#else /* !CONFIG_MIPS_HUGE_TLB_SUPPORT */
#define HPAGE_SHIFT ({BUILD_BUG(); 0; })
#define HPAGE_SIZE ({BUILD_BUG(); 0; })
#define HPAGE_MASK ({BUILD_BUG(); 0; })
#define HUGETLB_PAGE_ORDER ({BUILD_BUG(); 0; })
#endif /* CONFIG_HUGETLB_PAGE */
#endif /* CONFIG_MIPS_HUGE_TLB_SUPPORT */
#ifndef __ASSEMBLY__