From 0ed3a19a3896806cbbb5c2eb3abd6e3c473941bb Mon Sep 17 00:00:00 2001
From: Vladimir Kondratyev <wulf@FreeBSD.org>
Date: Wed, 29 Sep 2021 23:14:34 +0300
Subject: [PATCH] LinuxKPI: Import linux/poison.h header

Required by drm-kmod 5.6

Reviewed by:	hselasky, imp, manu
Obtained from:	OpenBSD
Differential revision:	https://reviews.freebsd.org/D32092

(cherry picked from commit 6efabdeede7f3aac4b133116a421f5a7a721e24c)
---
 sys/compat/linuxkpi/common/include/linux/poison.h | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 sys/compat/linuxkpi/common/include/linux/poison.h

diff --git a/sys/compat/linuxkpi/common/include/linux/poison.h b/sys/compat/linuxkpi/common/include/linux/poison.h
new file mode 100644
index 00000000000..35ccb5b5499
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/poison.h
@@ -0,0 +1,9 @@
+/* Public domain. */
+
+#ifndef _LINUX_POISON_H
+#define _LINUX_POISON_H
+
+#define POISON_INUSE	0xdb
+#define POISON_FREE	0xdf
+
+#endif