mm/mglru: add CONFIG_ARCH_HAS_HW_PTE_YOUNG

[linux-2.6-microblaze.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index f4b210a..8c8901f 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1470,6 +1470,14 @@ config DYNAMIC_SIGFRAME
 config HAVE_ARCH_NODE_DEV_GROUP
        bool
 
+config ARCH_HAS_HW_PTE_YOUNG
+       bool
+       help
+         Architectures that select this option are capable of setting the
+         accessed bit in PTE entries when using them as part of linear address
+         translations. Architectures that require runtime check should select
+         this option and override arch_has_hw_pte_young().
+
 config ARCH_HAS_NONLEAF_PMD_YOUNG
        bool
        help