From: Kirill A. Shutemov Date: Tue, 14 Apr 2015 22:45:57 +0000 (-0700) Subject: powerpc: expose number of page table levels on Kconfig level X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=06ef42a16f2dd8480ada1be3a549e12b02c45915;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git powerpc: expose number of page table levels on Kconfig level 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 Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Tested-by: Guenter Roeck Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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"