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| author | David Daney <david.daney@cavium.com> | 2012-05-04 11:09:35 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-05-15 17:47:02 +0200 |
| commit | 85f993b807f9e7c843934493559fab430f8d989e (patch) | |
| tree | 7960c6cae07fbece64ff1edccd74b4bf3e2c6fc4 /arch/mips/include/asm/sparsemem.h | |
| parent | daf76dbbb09f3937e71e9ef6d8fa68b306281d84 (diff) | |
| download | talos-op-linux-85f993b807f9e7c843934493559fab430f8d989e.tar.gz talos-op-linux-85f993b807f9e7c843934493559fab430f8d989e.zip | |
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>
Diffstat (limited to 'arch/mips/include/asm/sparsemem.h')
| -rw-r--r-- | arch/mips/include/asm/sparsemem.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h index 7165333ad043..4461198361c9 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 */ |
