linux-kernel - Re: [External] Re: [RFC PATCH 0/2] zram: objects charge to mem

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Message-ID: <ZKwI9LYDFkDd0+9O@dhcp22.suse.cz>
Date:   Mon, 10 Jul 2023 15:34:44 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     贺中坤 <hezhongkun.hzk@...edance.com>
Cc:     minchan@...nel.org, senozhatsky@...omium.org, david@...hat.com,
        yosryahmed@...gle.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [External] Re: [RFC PATCH 0/2] zram: objects charge to mem_cgroup

On Mon 10-07-23 21:16:42, 贺中坤 wrote:
> >
> > OK, this is an important detail to mention. Also have tried to get some
> > numbers of how much excess is happening for a mixed bag of compressible
> > memory?
> 
> Yes, I've done the test many times.  The numbers of excess depend on the
> compression ratio only. The maximum amount will not exceed 400KB,and will be
> smaller than the hard limit finally.

Again, important data point for your changelog.

-- 
Michal Hocko
SUSE Labs