mm/page_reporting: export reporting order as module parameter

[linux-block.git] / mm / page_reporting.h

diff --git a/mm/page_reporting.h b/mm/page_reporting.h
index 2c385dd4ddbd58b3a90aa3c96b499a446f2ec987..c51dbc228b941d38354ab610edeff24caa8375f9 100644 (file)
--- a/mm/page_reporting.h
+++ b/mm/page_reporting.h
@@ -10,10 +10,9 @@
 #include <linux/pgtable.h>
 #include <linux/scatterlist.h>
 
-#define PAGE_REPORTING_MIN_ORDER       pageblock_order
-
 #ifdef CONFIG_PAGE_REPORTING
 DECLARE_STATIC_KEY_FALSE(page_reporting_enabled);
+extern unsigned int page_reporting_order;
 void __page_reporting_notify(void);
 
 static inline bool page_reported(struct page *page)
@@ -38,7 +37,7 @@ static inline void page_reporting_notify_free(unsigned int order)
                return;
 
        /* Determine if we have crossed reporting threshold */
-       if (order < PAGE_REPORTING_MIN_ORDER)
+       if (order < page_reporting_order)
                return;
 
        /* This will add a few cycles, but should be called infrequently */