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-rw-r--r--mm/migrate.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 618aeb5e9cde..6954c1435833 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2127,6 +2127,7 @@ out_unlock:
#endif /* CONFIG_NUMA */
+#if defined(CONFIG_MIGRATE_VMA_HELPER)
struct migrate_vma {
struct vm_area_struct *vma;
unsigned long *dst;
@@ -2980,3 +2981,4 @@ int migrate_vma(const struct migrate_vma_ops *ops,
return 0;
}
EXPORT_SYMBOL(migrate_vma);
+#endif /* defined(MIGRATE_VMA_HELPER) */