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-rw-r--r--include/linux/vm_event_item.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 7b2363388bfa..16a0a4fd000b 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -129,6 +129,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
#ifdef CONFIG_SWAP
SWAP_RA,
SWAP_RA_HIT,
+#ifdef CONFIG_KSM
+ KSM_SWPIN_COPY,
+#endif
#endif
#ifdef CONFIG_X86
DIRECT_MAP_LEVEL2_SPLIT,