mm: introduce idle page tracking

[mirror_ubuntu-bionic-kernel.git] / include / linux / page_ext.h

diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index c42981cd99aae91b33d21a0deb4bc9f925a7fbd1..17f118a82854960701dac4de69dfc1af43713989 100644 (file)
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -26,6 +26,10 @@ enum page_ext_flags {
        PAGE_EXT_DEBUG_POISON,          /* Page is poisoned */
        PAGE_EXT_DEBUG_GUARD,
        PAGE_EXT_OWNER,
+#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
+       PAGE_EXT_YOUNG,
+       PAGE_EXT_IDLE,
+#endif
 };
 
 /*