--- zzzz-none-000/linux-5.4.213/drivers/dma-buf/Makefile	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/drivers/dma-buf/Makefile	2024-08-14 09:01:38.000000000 +0000
@@ -1,9 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-y := dma-buf.o dma-fence.o dma-fence-array.o dma-fence-chain.o \
-	 dma-resv.o seqno-fence.o
-obj-$(CONFIG_SYNC_FILE)		+= sync_file.o
-obj-$(CONFIG_SW_SYNC)		+= sw_sync.o sync_debug.o
-obj-$(CONFIG_UDMABUF)		+= udmabuf.o
+obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o
+
+dma-buf-objs-y := dma-buf.o dma-fence.o dma-fence-array.o dma-fence-chain.o \
+		  dma-resv.o seqno-fence.o
+dma-buf-objs-$(CONFIG_SYNC_FILE)	+= sync_file.o
+dma-buf-objs-$(CONFIG_SW_SYNC)		+= sw_sync.o sync_debug.o
+dma-buf-objs-$(CONFIG_UDMABUF)		+= udmabuf.o
+
+dma-shared-buffer-objs :=  $(dma-buf-objs-y)
 
 dmabuf_selftests-y := \
 	selftest.o \