From 4a34e46eb5e9c762ba4cea4b3c4d89c8e39b1608 Mon Sep 17 00:00:00 2001 From: Yuvraj Sakshith Date: Tue, 3 Mar 2026 03:30:32 -0800 Subject: [PATCH] mm/page_reporting: change page_reporting_order to PAGE_REPORTING_ORDER_UNSPECIFIED MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit page_reporting_order when uninitialised, holds a magic number -1. Since we now maintain PAGE_REPORTING_ORDER_UNSPECIFIED as -1, which is also a flag, set page_reporting_order to this flag. Link: https://lkml.kernel.org/r/20260303113032.3008371-6-yuvraj.sakshith@oss.qualcomm.com Signed-off-by: Yuvraj Sakshith Acked-by: David Hildenbrand (Arm) Reviewed-by: Michael Kelley Acked-by: Michael S. Tsirkin Cc: Brendan Jackman Cc: Dexuan Cui Cc: Eugenio Pérez Cc: Haiyang Zhang Cc: Jason Wang Cc: Johannes Weiner Cc: K. Y. Srinivasan Cc: Liam Howlett Cc: Long Li Cc: Lorenzo Stoakes (Oracle) Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Wei Liu Cc: Xuan Zhuo Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/page_reporting.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_reporting.c b/mm/page_reporting.c index a2da5bf3a065..7418f2e500bb 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -12,7 +12,7 @@ #include "internal.h" /* Initialize to an unsupported value */ -unsigned int page_reporting_order = -1; +unsigned int page_reporting_order = PAGE_REPORTING_ORDER_UNSPECIFIED; static int page_order_update_notify(const char *val, const struct kernel_param *kp) { @@ -369,7 +369,7 @@ int page_reporting_register(struct page_reporting_dev_info *prdev) * pageblock_order. */ - if (page_reporting_order == -1) { + if (page_reporting_order == PAGE_REPORTING_ORDER_UNSPECIFIED) { if (prdev->order != PAGE_REPORTING_ORDER_UNSPECIFIED && prdev->order <= MAX_PAGE_ORDER) page_reporting_order = prdev->order;