diff --git a/include/linux/edac.h b/include/linux/edac.h
index 07bda01..1b8c02b 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -533,6 +533,7 @@
 
 	u32 ue_count;		/* Uncorrectable Errors for this csrow */
 	u32 ce_count;		/* Correctable Errors for this csrow */
+	u32 nr_pages;		/* combined pages count of all channels */
 
 	struct mem_ctl_info *mci;	/* the parent */