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From: Minchan Kim <>
To: Sergey Senozhatsky <>
Cc: Andrew Morton <>,,,
	Sangseok Lee <>,
	Chanho Min <>,
	Chan Gyun Jeong <>
Subject: Re: [PATCH] mm: add NR_ZSMALLOC to vmstat
Date: Fri, 3 Jun 2016 17:23:36 +0900
Message-ID: <20160603082336.GA18488@bbox> (raw)
In-Reply-To: <20160603080141.GA490@swordfish>


On Fri, Jun 03, 2016 at 05:01:41PM +0900, Sergey Senozhatsky wrote:
> On (06/03/16 11:08), Minchan Kim wrote:
> > Now, zram is very popular for some of embedded world(e.g., TV, mobile
> > phone). On those system, zsmalloc consumed memory size is never trivial
> > (one of example from real product system, total memory: 800M, zsmalloc
> > consumed: 150M), so we have used this out of tree patch to monitor system
> > memory behavior via /proc/vmstat.
> > 
> > With zsmalloc in vmstat, it helps tracking down system behavior by
> > memory usage.
> Hello,
> may be use zsmalloc stats file instead? as far as I know, you keep
> zsmalloc stats enabled in production anyway.

It doesn't support per-zone stat which is important to show
the fragmentation of the zone, for exmaple.

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Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-03  2:08 Minchan Kim
2016-06-03  8:01 ` Sergey Senozhatsky
2016-06-03  8:23   ` Minchan Kim [this message]
2016-06-03 10:24     ` Sergey Senozhatsky
2016-06-07  1:43       ` Minchan Kim
2016-06-09  1:40         ` Sergey Senozhatsky

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