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@xxxxxxxxxxxxxxx> Cc: linux-sh@xxxxxxxxxxxxxxx Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- arch/sh/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index eb4ef274ae9b..50057fed819d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -162,6 +162,10 @@ config NEED_DMA_MAP_STATE config NEED_SG_DMA_LENGTH def_bool y +config PGTABLE_LEVELS + default 3 if X2TLB + default 2 + source "init/Kconfig" source "kernel/Kconfig.freezer" -- 2.1.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>