/usr/src/linux-kvm-headers-4.4.0-1013/samples/configfs/Makefile is in linux-kvm-headers-4.4.0-1013 4.4.0-1013.18.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs_sample.o
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