x86: expose number of page table levels on Kconfig level
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 14 Apr 2015 22:46:14 +0000 (15:46 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 14 Apr 2015 23:49:02 +0000 (16:49 -0700)
commit982333683385343d8d2db9a1df69c98406f42687
tree2ce273cf325bcad64d032090344778fb0267f59a
parent6b8ce2a1a464526335672c33cbf3cb9fc638efff
x86: 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 <kirill.shutemov@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 files changed:
arch/x86/Kconfig
arch/x86/include/asm/paravirt.h
arch/x86/include/asm/paravirt_types.h
arch/x86/include/asm/pgalloc.h
arch/x86/include/asm/pgtable-2level_types.h
arch/x86/include/asm/pgtable-3level_types.h
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/pgtable_64_types.h
arch/x86/include/asm/pgtable_types.h
arch/x86/kernel/paravirt.c
arch/x86/mm/pgtable.c
arch/x86/xen/mmu.c
include/trace/events/xen.h