1 files changed, 8 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 5e6f2abcea28..b00ea4595d18 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1048,6 +1048,8 @@ static inline int find_next_best_node(int node, nodemask_t *used_node_mask)
 /*
  * mm/memory-failure.c
  */
+#ifdef CONFIG_MEMORY_FAILURE
+void unmap_poisoned_folio(struct folio *folio, enum ttu_flags ttu);
 void shake_folio(struct folio *folio);
 extern int hwpoison_filter(struct page *p);
 
@@ -1068,6 +1070,12 @@ void add_to_kill_ksm(struct task_struct *tsk, struct page *p,
 		     unsigned long ksm_addr);
 unsigned long page_mapped_in_vma(struct page *page, struct vm_area_struct *vma);
 
+#else
+static inline void unmap_poisoned_folio(struct folio *folio, enum ttu_flags ttu)
+{
+}
+#endif
+
 extern unsigned long  __must_check vm_mmap_pgoff(struct file *, unsigned long,
         unsigned long, unsigned long,
         unsigned long, unsigned long);