+// SPDX-License-Identifier: GPL-2.0
/*
* linux/mm/page_isolation.c
*/
spin_lock_irqsave(&zone->lock, flags);
pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn,
skip_hwpoisoned_pages);
+
+ if (pfn < end_pfn) {
+ pr_info_ratelimited("%s: page of pfn %lu is not isolated\n", __func__, pfn);
+ /* __dump_page(pfn_to_page(pfn), "isolation failure"); */
+ }
+
spin_unlock_irqrestore(&zone->lock, flags);
trace_test_pages_isolated(start_pfn, end_pfn, pfn);