diff --git a/mm/percpu.c b/mm/percpu.c
index d1a73cf65c53..d8dd31a2e407 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -253,13 +253,13 @@ static int pcpu_chunk_slot(const struct pcpu_chunk *chunk)
 /* set the pointer to a chunk in a page struct */
 static void pcpu_set_page_chunk(struct page *page, struct pcpu_chunk *pcpu)
 {
-	page->index = (unsigned long)pcpu;
+	page->private = (unsigned long)pcpu;
 }
 
 /* obtain pointer to a chunk from a page struct */
 static struct pcpu_chunk *pcpu_get_page_chunk(struct page *page)
 {
-	return (struct pcpu_chunk *)page->index;
+	return (struct pcpu_chunk *)page->private;
 }
 
 static int __maybe_unused pcpu_page_idx(unsigned int cpu, int page_idx)