diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index dddfa721f4..d866c41004 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -1492,7 +1492,8 @@ dbuf_clear(dmu_buf_impl_t *db)
 		dbuf_rele(parent, db);
 }
 
-static int
+__attribute__((always_inline))
+static inline int
 dbuf_findbp(dnode_t *dn, int level, uint64_t blkid, int fail_sparse,
     dmu_buf_impl_t **parentp, blkptr_t **bpp)
 {
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index d7c5de0d35..9a8503e303 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -1652,7 +1652,8 @@ spa_load(spa_t *spa, spa_load_state_t state, spa_import_type_t type,
  * Load an existing storage pool, using the pool's builtin spa_config as a
  * source of configuration information.
  */
-static int
+__attribute__((always_inline))
+static inline int
 spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
     spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig,
     char **ereport)
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index dc3400d3a6..5302ca7b28 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -435,7 +435,8 @@ zio_wait_for_children(zio_t *zio, enum zio_child child, enum zio_wait_type wait)
 	return (waiting);
 }
 
-static void
+__attribute__((always_inline))
+static inline void
 zio_notify_parent(zio_t *pio, zio_t *zio, enum zio_wait_type wait)
 {
 	uint64_t *countp = &pio->io_children[zio->io_child_type][wait];
@@ -1119,7 +1120,8 @@ zio_interrupt(zio_t *zio)
  */
 static zio_pipe_stage_t *zio_pipeline[];
 
-void
+__attribute__((always_inline))
+inline void
 zio_execute(zio_t *zio)
 {
 	zio->io_executor = curthread;