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

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [RFC 0/2] Add interface let ZRAM close swap cache
Date	2016-11-28 15:50 +0100
Message-ID	<sIvpL-3m3-9@gated-at.bofh.it> (permalink)
References	<sHkmL-6J9-45@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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

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Re: [RFC 0/2] Add interface let ZRAM close swap cache Michal Hocko <mhocko@kernel.org> - 2016-11-28 15:50 +0100

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