diff --git a/kernel/fork.c b/kernel/fork.c
index 3bb5bac106d8..e89e590640bb 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1420,6 +1420,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
 
 	return mm;
 }
+EXPORT_SYMBOL_GPL(mm_access);
 
 static void complete_vfork_done(struct task_struct *tsk)
 {
diff --git a/kernel/pid.c b/kernel/pid.c
index 842370594522..8bfe968cfc19 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -601,6 +601,7 @@ struct task_struct *pidfd_get_task(int pidfd, unsigned int *flags)
 	*flags = f_flags;
 	return task;
 }
+EXPORT_SYMBOL_GPL(pidfd_get_task);
 
 /**
  * pidfd_create() - Create a new pid file descriptor.
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 90cc346a6ecf..ff6e54df84ea 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -584,6 +584,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
 
 	return walk_page_range_mm_unsafe(mm, start, end, ops, private);
 }
+EXPORT_SYMBOL_GPL(walk_page_range);
 
 /**
  * walk_kernel_page_table_range - walk a range of kernel pagetables.
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index d3aec7a9926a..a78d2df63578 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -408,6 +408,7 @@ again:
 	pte_unmap_unlock(pte, ptl);
 	goto again;
 }
+EXPORT_SYMBOL_GPL(__pte_offset_map_lock);
 
 #ifdef CONFIG_ASYNC_KERNEL_PGTABLE_FREE
 static void kernel_pgtable_work_func(struct work_struct *work);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index a2a9fd0d62a7..52ff338ce369 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1613,6 +1613,7 @@ put_out:
 	percpu_ref_put(&si->users);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(get_swap_device);
 
 static void swap_entries_put_cache(struct swap_info_struct *si,
 				   swp_entry_t entry, int nr)