Re: kswapd?

[stan]

On Tue, 20 Aug 2019 16:52:27 -0400
Tom Horsley  wrote:
> I have vast amounts of free memory, yet I keep catching kswapd
> running at 100% every so often. Top also says I'm using
> a tiny bit of swap (for no reason I can fathom):
>
> MiB Mem :  15976.1 total,    979.6 free,    723.4 used,  14273.1
> buff/cache MiB Swap:  32767.0 total,  32680.5 free,     86.5 used.
> 14920.2 avail Mem
>
> This is with kernel 5.2.8-200.fc30.x86_64
>
> I never noticed this before. Anyone know what is going on?

A guess only.  The small amount of swap used is used by the swap
manager. And the 100% is the swap manager periodically cycling to see
if it is needed and checking swap status.