diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 036532c..1c0fe9b 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -27,6 +27,7 @@
 #include <linux/if_vlan.h>
 #include <linux/rcupdate_wait.h>
 #include <linux/ctype.h>
+#include <linux/splice.h>
 
 #include <net/sock.h>
 #include <net/tcp.h>
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
index 0a6e615..4380d32 100644
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -13,6 +13,7 @@
 #include <linux/net.h>
 #include <linux/rcupdate.h>
 #include <linux/sched/signal.h>
+#include <linux/splice.h>
 
 #include <net/sock.h>
 #include <trace/events/sock.h>
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 009616f..0be25e7 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -112,6 +112,7 @@
 #include <linux/mount.h>
 #include <net/checksum.h>
 #include <linux/security.h>
+#include <linux/splice.h>
 #include <linux/freezer.h>
 #include <linux/file.h>
 #include <linux/btf_ids.h>