From 6bb7cf8070248a6c8708425293225f0c181fa59a Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Wed, 24 Jul 2019 16:43:42 -0500
Subject: New 4.19 kernel set moved kill_pid to new include file

(cherry picked from commit 10610fe2650d15d48c552bf98cf611316a3b21ae)
---
 io-module/buttons.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/io-module/buttons.h b/io-module/buttons.h
index c9cd198..510b7d3 100644
--- a/io-module/buttons.h
+++ b/io-module/buttons.h
@@ -27,6 +27,9 @@
 #include <linux/ctype.h>
 #include <linux/io.h>
 #include <linux/module.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)
+#include <linux/signalfd.h>
+#endif
 
 #include "mts_io_module.h"
 #include "mts_io.h"
-- 
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