--- zzzz-none-000/linux-4.19.183/arch/arm/mm/dma-mapping.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/mm/dma-mapping.c	2023-06-28 08:54:18.000000000 +0000
@@ -331,7 +331,11 @@
 	/*
 	 * Now split the huge page and free the excess pages
 	 */
-	split_page(page, order);
+	split_page(page, order
+#if defined(CONFIG_AVM_PAGE_TRACE)
+			, _RET_IP_
+#endif
+			);
 	for (p = page + (size >> PAGE_SHIFT), e = page + (1 << order); p < e; p++)
 		__free_page(p);
 
@@ -1348,7 +1352,11 @@
 		}
 
 		if (order) {
-			split_page(pages[i], order);
+			split_page(pages[i], order
+#if defined(CONFIG_AVM_PAGE_TRACE)
+				   , _RET_IP_
+#endif
+					);
 			j = 1 << order;
 			while (--j)
 				pages[i + j] = pages[i] + j;
@@ -2393,6 +2401,9 @@
 #endif
 	dev->archdata.dma_ops_setup = true;
 }
+#if defined(CONFIG_BCM_KF_GLB_COHERENCY)
+EXPORT_SYMBOL(arch_setup_dma_ops);
+#endif
 
 void arch_teardown_dma_ops(struct device *dev)
 {