swap plugin: Make "cached" optional under Linux.
authorFlorian Forster <octo@collectd.org>
Wed, 17 Sep 2014 05:41:38 +0000 (07:41 +0200)
committerFlorian Forster <octo@collectd.org>
Wed, 17 Sep 2014 05:41:38 +0000 (07:41 +0200)
This is the smallest possible fix for OpenVZ, where cached is not available.
master has a more complete fix which should be used going forward.

Fixes: #733


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