[RFC PATCH v2 08/12] mm/page_reporting: set page_reporting_order to -1 to prevent it running

[Zi Yan]

From: Zi Yan <ziy@xxxxxxxxxx>

page_reporting_order was initialized to MAX_ORDER to prevent it running
before its value is overwritten. Use -1 instead to remove the
dependency on MAX_ORDER.

Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 mm/page_reporting.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mm/page_reporting.c b/mm/page_reporting.c
index b48d6ad82998..001438f3dbeb 100644
--- a/mm/page_reporting.c
+++ b/mm/page_reporting.c
@@ -11,7 +11,11 @@
 #include "page_reporting.h"
 #include "internal.h"
 
-unsigned int page_reporting_order = MAX_PHYS_CONTIG_ORDER + 1;
+/*
+ * Set page_reporting_order to (unsigned int)-1 to prevent it running until the
+ * value is being overwritten
+ */
+unsigned int page_reporting_order = (unsigned int)-1;
 module_param(page_reporting_order, uint, 0644);
 MODULE_PARM_DESC(page_reporting_order, "Set page reporting order");
 
-- 
2.35.1