1 files changed, 15 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 5560b50876fb..85f42ec1a927 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5857,6 +5857,21 @@ unlock:
 	return ret;
 }
 
+int get_hwpoison_huge_page(struct page *page, bool *hugetlb)
+{
+	int ret = 0;
+
+	*hugetlb = false;
+	spin_lock_irq(&hugetlb_lock);
+	if (PageHeadHuge(page)) {
+		*hugetlb = true;
+		if (HPageFreed(page) || HPageMigratable(page))
+			ret = get_page_unless_zero(page);
+	}
+	spin_unlock_irq(&hugetlb_lock);
+	return ret;
+}
+
 void putback_active_hugepage(struct page *page)
 {
 	spin_lock_irq(&hugetlb_lock);