From 85f993b807f9e7c843934493559fab430f8d989e Mon Sep 17 00:00:00 2001 From: David Daney Date: Fri, 4 May 2012 11:09:35 -0700 Subject: 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 Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3745/ Signed-off-by: Ralf Baechle --- arch/mips/include/asm/sparsemem.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/mips/include/asm/sparsemem.h') diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h index 7165333ad04..4461198361c 100644 --- a/arch/mips/include/asm/sparsemem.h +++ b/arch/mips/include/asm/sparsemem.h @@ -6,7 +6,11 @@ * SECTION_SIZE_BITS 2^N: how big each section will be * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space */ -#define SECTION_SIZE_BITS 28 +#if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_PAGE_SIZE_64KB) +# define SECTION_SIZE_BITS 29 +#else +# define SECTION_SIZE_BITS 28 +#endif #define MAX_PHYSMEM_BITS 35 #endif /* CONFIG_SPARSEMEM */ -- cgit v1.2.3-70-g09d2