linux-kernel - Re: [PATCH v5 4/4] zram: introduce zram memory tracking

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Message-ID: <20180420021834.GC6397@jagdpanzerIV>
Date:   Fri, 20 Apr 2018 11:18:34 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Minchan Kim <minchan@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v5 4/4] zram: introduce zram memory tracking

On (04/20/18 11:09), Minchan Kim wrote:
[..]
> > hm, OK, can we get this info into the changelog?  
> 
> No problem. I will add as follows,
> 
> "I used the feature a few years ago to find memory hoggers in userspace
> to notice them what memory they have wasted without touch for a long time.
> With it, they could reduce unnecessary memory space. However, at that time,
> I hacked up zram for the feature but now I need the feature again so
> I decided it would be better to upstream rather than keeping it alone.
> I hope I submit the userspace tool to use the feature soon"

Shall we then just wait until you resubmit the "complete" patch set: zram
tracking + the user space tool which would parse the tracking output?

	-ss