Commit 81a2936c authored Apr 14, 2015 by Kirill A. Shutemov Committed by Linus Torvalds Apr 14, 2015

sparc: 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>
Cc: "David S. Miller" <davem@davemloft.net>
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 69543d63

arch/sparc/Kconfig

+4 −0

Original line number	Diff line number	Diff line
		@@ -146,6 +146,10 @@ config GENERIC_ISA_DMA
		config ARCH_SUPPORTS_DEBUG_PAGEALLOC
		def_bool y if SPARC64

		config PGTABLE_LEVELS
		default 4 if 64BIT
		default 3

		source "init/Kconfig"

		source "kernel/Kconfig.freezer"