[PATCH 11/19] powerpc: expose number of page table levels on Kconfig level
From: Kirill A. Shutemov <hidden>
Date: 2015-01-30 14:58:47
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
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 <redacted> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <redacted> Cc: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 22b0940494bb..4c0c744fa297 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 64K_PAGES + default 4 + source "init/Kconfig" source "kernel/Kconfig.freezer"
--
2.1.4
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