ARM: implement highpte
Add the ARM implementation of highpte, which allows PTE tables to be
placed in highmem. Unfortunately, we do not offer highpte support
when support for L2 cache is enabled.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index aef63c8..370f477 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1054,6 +1054,11 @@
If unsure, say n.
+config HIGHPTE
+ bool "Allocate 2nd-level pagetables from highmem"
+ depends on HIGHMEM
+ depends on !OUTER_CACHE
+
source "mm/Kconfig"
config LEDS