Problems with swapping in v4.5-rc on POWER

[Hugh Dickins]

On Thu, 25 Feb 2016, Michael Ellerman wrote:
> 
> I do run tests on G5, but obviously not rigorously enough. I kicked off a few
> kernel builds on mine and it survived, though once it hits swap it's almost
> unusably slow. I'll leave it running overnight and see if I hit anything.

Oh yes, I'd forgotten how unusably slow: I tend to forget that I slipped an
SSD in there some while back, just for the swapping: slow, but not unusable.

Thanks, I'm hoping you will be able to reproduce it yourself.

Hugh