Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCHv3 09/17] powerpc: expose number of page table levels on Kconfig level | Date | Thu, 26 Feb 2015 13:35:12 +0200 |
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We would want to use number of page table level to define mm_struct. Let's expose it as CONFIG_PGTABLE_LEVELS.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Tested-by: Guenter Roeck <linux@roeck-us.net> --- arch/powerpc/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 22b0940494bb..91ad76f30d18 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -297,6 +297,12 @@ config ZONE_DMA32 bool default y if PPC64 +config PGTABLE_LEVELS + int + default 2 if !PPC64 + default 3 if PPC_64K_PAGES + default 4 + source "init/Kconfig" source "kernel/Kconfig.freezer" -- 2.1.4
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