diff --git a/sys/compat/linuxkpi/common/include/linux/module.h b/sys/compat/linuxkpi/common/include/linux/module.h
--- a/sys/compat/linuxkpi/common/include/linux/module.h
+++ b/sys/compat/linuxkpi/common/include/linux/module.h
@@ -51,7 +51,23 @@
 #define	MODULE_SUPPORTED_DEVICE(name)
 #define	MODULE_IMPORT_NS(_name)
 
+/*
+ * THIS_MODULE is used to differentiate modules on Linux. We currently
+ * completely stub out any Linux struct module usage, but THIS_MODULE is still
+ * used to populate the "owner" fields of various drivers.  Even though we
+ * don't actually dereference these "owner" fields they are still used by
+ * drivers to check if devices/dmabufs/etc come from different modules. For
+ * example, during DRM GEM import some drivers check if the dmabuf's owner
+ * matches the dev's owner. If they match because they are both NULL drivers
+ * may incorrectly think two resources come from the same module.
+ *
+ * For these reasons drm-kmod may specify THIS_MODULE and set up a value
+ * for it through its own module macros. If that is not the case, we can
+ * declare it as NULL here.
+ */
+#if !defined(THIS_MODULE)
 #define	THIS_MODULE	((struct module *)0)
+#endif
 
 #define	__MODULE_STRING(x) __stringify(x)
 
diff --git a/sys/sys/param.h b/sys/sys/param.h
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -73,7 +73,7 @@
  * cannot include sys/param.h and should only be updated here.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1500017
+#define __FreeBSD_version 1500018
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,