From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 23 Jan 2017 20:16:22 +0000 (-0500)
Subject: Fix: only include linux/cpuhotplug.h for kernels >= 4.10
X-Git-Tag: v2.9.1~2
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=b6ad421bedd30251226d279023a13a7ef8933590;p=lttng-modules.git

Fix: only include linux/cpuhotplug.h for kernels >= 4.10

Kernels at least <= 4.4 did not have this header file.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lttng-cpuhotplug.h b/lttng-cpuhotplug.h
index da965d2f..76a7cb80 100644
--- a/lttng-cpuhotplug.h
+++ b/lttng-cpuhotplug.h
@@ -21,11 +21,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <linux/cpuhotplug.h>
-
 struct lttng_cpuhp_node;
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+
+#include <linux/cpuhotplug.h>
+
 enum lttng_cpuhp_component {
 	LTTNG_RING_BUFFER_FRONTEND,
 	LTTNG_RING_BUFFER_BACKEND,