Commit 06ef42a1 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

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: default avatarKirill 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: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f24ffde4
......@@ -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"
......
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