From: Po-Hsu Lin <po-hsu.lin@canonical.com>
Date: Thu, 10 Aug 2017 06:32:00 +0000 (+0200)
Subject: selftests: check hot-pluggagble memory for memory-hotplug test
X-Git-Tag: Ubuntu-4.10.0-34.38~16
X-Git-Url: https://git.proxmox.com/?p=mirror_ubuntu-zesty-kernel.git;a=commitdiff_plain;h=fae61a8729e6c61541e363236d53e688e9419af0

selftests: check hot-pluggagble memory for memory-hotplug test

BugLink: http://bugs.launchpad.net/bugs/1710868

Check for hot-pluggable memory availability in prerequisite() of the
memory-hotplug test.

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
(cherry picked from commit a34b28c92ec8c92938de03c18c5fab32efd2e29a)
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
---

diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
index a8d858767102..993ff2bcfc7b 100755
--- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
+++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
@@ -22,6 +22,11 @@ prerequisite()
 		echo $msg memory hotplug is not supported >&2
 		exit 0
 	fi
+
+	if ! grep -q 1 $SYSFS/devices/system/memory/memory*/removable; then
+		echo $msg no hot-pluggable memory >&2
+		exit 0
+	fi
 }
 
 #