mm/mglru: add CONFIG_LRU_GEN_WALKS_MMU

[linux-2.6-block.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index b072664b889a4ff9708f35b12aae0fad0f3ba326..79d563d8f9e0ffbf520ce437681ad0af8b11b977 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1274,6 +1274,10 @@ config LRU_GEN_STATS
          from evicted generations for debugging purpose.
 
          This option has a per-memcg and per-node memory overhead.
+
+config LRU_GEN_WALKS_MMU
+       def_bool y
+       depends on LRU_GEN && ARCH_HAS_HW_PTE_YOUNG
 # }
 
 config ARCH_SUPPORTS_PER_VMA_LOCK