Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCHv3 10/17] s390: expose number of page table levels | Date | Thu, 26 Feb 2015 13:35:13 +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: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Tested-by: Guenter Roeck <linux@roeck-us.net> --- arch/s390/Kconfig | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 373cd5badf1c..f6aebcb7a0f8 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -155,6 +155,11 @@ config S390 config SCHED_OMIT_FRAME_POINTER def_bool y +config PGTABLE_LEVELS + int + default 4 if 64BIT + default 2 + source "init/Kconfig" source "kernel/Kconfig.freezer" -- 2.1.4
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