From: Po-Hsu Lin <po-hsu.lin@canonical.com>
Date: Tue, 27 Jun 2017 06:17:12 +0000 (+0800)
Subject: selftests: check hot-pluggagble memory for memory-hotplug test
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a34b28c92ec8c92938de03c18c5fab32efd2e29a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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

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>
---

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
 }
 
 #