From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Tue, 14 Apr 2015 22:45:45 +0000 (-0700)
Subject: ia64: expose number of page table levels on Kconfig level
X-Git-Tag: omap-for-v4.1/fixes-rc1~151^2~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d66bcc7cf762e82703b94d416245d4a216c79ae;p=pandora-kernel.git

ia64: 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.

We need to define PGTABLE_LEVELS before sourcing init/Kconfig:
arch/Kconfig will define default value and it's sourced from init/Kconfig.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.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>
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