Re: [RFC 0/2] Add interface let ZRAM close swap cache

[Michal Hocko]

On Fri 25-11-16 16:25:11, Hui Zhu wrote:
> SWAP will keep before swap cache before swap space get full.  It will
> make swap space cannot be freed.  It is harmful to the system that use
> ZRAM because its space use memory too.

I have hard time to follow what you are trying to say here. Could you be
more specific about what is the actual problem?

> This two patches will add a sysfs switch to ZRAM that open or close swap
> cache without check the swap space.

I find this a crude hack to be honest. Please make sure to describe why
the swap cache stays in the way and why this is not problem in other
setups.
-- 
Michal Hocko
SUSE Labs