Index: sys/compat/linuxkpi/common/include/linux/random.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/random.h
+++ sys/compat/linuxkpi/common/include/linux/random.h
@@ -43,6 +43,15 @@
 		arc4rand(buf, nbytes, 0);
 }
 
+static inline uint32_t
+get_random_u32(void)
+{
+	uint32_t val;
+
+	get_random_bytes(&val, sizeof(val));
+	return (val);
+}
+
 static inline u_int
 get_random_int(void)
 {
Index: sys/compat/linuxkpi/common/include/linux/sched.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/sched.h
+++ sys/compat/linuxkpi/common/include/linux/sched.h
@@ -178,4 +178,12 @@
 	return ((uint64_t)ts.tv_sec * NSEC_PER_SEC + ts.tv_nsec);
 }
 
+static inline char *
+get_task_comm(char *buf, struct task_struct *task)
+{
+
+       // XXX: Linux task com len is 16, FreeBSD is 19 - problems?
+       strncpy(buf, task->comm, TASK_COMM_LEN);
+       return buf;
+}
 #endif	/* _LINUX_SCHED_H_ */
Index: sys/compat/linuxkpi/common/include/linux/slab.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/slab.h
+++ sys/compat/linuxkpi/common/include/linux/slab.h
@@ -43,6 +43,7 @@
 MALLOC_DECLARE(M_KMALLOC);
 
 #define	kvmalloc(size)			kmalloc(size, 0)
+#define	kvzalloc(size, flags)           kmalloc(size, (flags) | __GFP_ZERO)
 #define	kzalloc(size, flags)		kmalloc(size, (flags) | __GFP_ZERO)
 #define	kzalloc_node(size, flags, node)	kmalloc(size, (flags) | __GFP_ZERO)
 #define	kfree_const(ptr)		kfree(ptr)