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-rw-r--r--include/linux/page_reporting.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/page_reporting.h b/include/linux/page_reporting.h
index 32355486f572..3b99e0ec24f2 100644
--- a/include/linux/page_reporting.h
+++ b/include/linux/page_reporting.h
@@ -5,6 +5,7 @@
#include <linux/mmzone.h>
#include <linux/scatterlist.h>
+/* This value should always be a power of 2, see page_reporting_cycle() */
#define PAGE_REPORTING_CAPACITY 32
struct page_reporting_dev_info {