Re: zswap z3fold + memory offline = infinite loop

From: Vitaly Wool
Date: Wed May 20 2020 - 04:23:54 EST


On Tue, May 19, 2020 at 5:50 AM Qian Cai <cai@xxxxxx> wrote:
<snip>
>
> >
> > Removing that check in ->isolate() is not a big deal, but ->migratepage() shall not allow actual migration anyway if there are mapped objects.
>
> Is that worse than an endless loop here?

Well, let's figure if there really has to be an endless loop. Would
you mind retesting with
https://marc.info/?l=linux-mm&m=158996286816704&w=2?

Best regards,
Vitaly