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-rw-r--r--include/linux/page-flags.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index bf858b220..df5a154ee 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -115,6 +115,10 @@ enum pageflags {
PG_toi_cbw, /* Copy the page before it is written to */
PG_toi_dirty, /* Page has been modified */
#endif
+#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
+ PG_young,
+ PG_idle,
+#endif
__NR_PAGEFLAGS,
/* Filesystems */
@@ -306,6 +310,13 @@ PAGEFLAG_FALSE(TOI_Untracked)
PAGEFLAG_FALSE(TOI_CBW)
#endif
+#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
+TESTPAGEFLAG(Young, young)
+SETPAGEFLAG(Young, young)
+TESTCLEARFLAG(Young, young)
+PAGEFLAG(Idle, idle)
+#endif
+
/*
* On an anonymous page mapped into a user virtual memory area,
* page->mapping points to its anon_vma, not to a struct address_space;