diff --git a/fs/file.c b/fs/file.c
index 269f0ba7ea6e..bf6aed015bcf 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -793,6 +793,7 @@ struct file *file_close_fd(unsigned int fd)
 
 	return file;
 }
+EXPORT_SYMBOL_GPL(file_close_fd);
 
 void do_close_on_exec(struct files_struct *files)
 {
diff --git a/kernel/task_work.c b/kernel/task_work.c
index c969f1f26be5..b25732eae388 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -108,6 +108,7 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(task_work_add);
 
 /**
  * task_work_cancel_match - cancel a pending work added by task_work_add()
diff --git a/mm/memory.c b/mm/memory.c
index 83b394dfce5d..92b7132eacf0 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1940,6 +1940,7 @@ void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,
 	tlb_finish_mmu(&tlb);
 	hugetlb_zap_end(vma, details);
 }
+EXPORT_SYMBOL_GPL(zap_page_range_single);
 
 /**
  * zap_vma_ptes - remove ptes mapping the vma