From: Zi Yan <ziy@xxxxxxxxxx> page_reporting_order was set to MAX_ORDER, which is always smaller than a memory section size. An upcoming change will make MAX_ORDER larger than a memory section size. Set page_reporting_order to PFN_SECTION_SHIFT to match existing size assumption. Signed-off-by: Zi Yan <ziy@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: linux-mm@xxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- mm/page_reporting.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/page_reporting.c b/mm/page_reporting.c index 382958eef8a9..dc4a2d699862 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -11,7 +11,8 @@ #include "page_reporting.h" #include "internal.h" -unsigned int page_reporting_order = MAX_ORDER; +/* Set page_reporting_order at section size */ +unsigned int page_reporting_order = PFN_SECTION_SHIFT; module_param(page_reporting_order, uint, 0644); MODULE_PARM_DESC(page_reporting_order, "Set page reporting order"); -- 2.30.2
