On Sun, Jul 26, 2020 at 01:11:33PM -0700, Doug Hardie wrote:
> I have a production system (12.1-RELEASE-p6) that is showing around 1 GB of
> Laundry pages. There are over 6 Gb Inact and 1 Gb free. I can understand
> why the system would want to not prioritize laundering those pages as there
> is plenty of available pages. However, does that mean that I have about 1 GB
> of updated files that have not been written back to disk? If so, then there
> is a significant issue with power failures and loss of data.
>
Laundry keeps both file-backed (named) pages and swap-backed (anonymous)
pages. Most likely it means that you have 1G of anonymous dirty
mappings, for instance programs data/bss and malloced.
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