Commit 6b8ce2a1 authored Apr 14, 2015 by Kirill A. Shutemov Committed by Linus Torvalds Apr 14, 2015

um: 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.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Richard Weinberger <richard@nod.at>
Cc: Jeff Dike <jdike@addtoit.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>

parent 909d45e6

arch/um/Kconfig.um

+5 −0

Original line number	Diff line number	Diff line
		@@ -155,3 +155,8 @@ config MMAPPER

		config NO_DMA
		def_bool y

		config PGTABLE_LEVELS
		int
		default 3 if 3_LEVEL_PGTABLES
		default 2

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