The pfn value needs to be retrieved correctly when PageTransHuge(page) is true. Fix it by replacing the usage of 'pfn' with 'page_to_pfn(page)' to ensure the correct pfn is printed in warning messages when isolation fails. Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx> --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 26790c8d5b43..000430406a9e 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1829,7 +1829,7 @@ static void do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) } else { if (__ratelimit(&migrate_rs)) { - pr_warn("failed to isolate pfn %lx\n", pfn); + pr_warn("failed to isolate pfn %lx\n", page_to_pfn(page)); dump_page(page, "isolation failed"); } } -- 2.29.2