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-rw-r--r--include/linux/list.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h
index 5356f4d661a7..30cf4200ab40 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -113,6 +113,17 @@ extern void __list_del_entry(struct list_head *entry);
extern void list_del(struct list_head *entry);
#endif
+#ifdef CONFIG_DEBUG_LIST
+/*
+ * See devm_memremap_pages() which wants DEBUG_LIST=y to assert if one
+ * of the pages it allocates is ever passed to list_add()
+ */
+extern void list_force_poison(struct list_head *entry);
+#else
+/* fallback to the less strict LIST_POISON* definitions */
+#define list_force_poison list_del
+#endif
+
/**
* list_replace - replace old entry by new one
* @old : the element to be replaced