From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Tue, 14 Apr 2015 22:45:48 +0000 (-0700)
Subject: m68k: mark PMD folded and expose number of page table levels
X-Git-Tag: omap-for-v4.2/o2_dc~141^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=980d5b7387c6bbc9b411a3469274b3226b161e45;p=pandora-kernel.git

m68k: mark PMD folded and expose number of page table levels

We would want to use number of page table level to define mm_struct.
Let's expose it as CONFIG_PGTABLE_LEVELS.

Core mm expects __PAGETABLE_{PUD,PMD}_FOLDED to be defined if these page
table levels folded.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
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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