Re: [PATCH] mm: add NR_ZSMALLOC to vmstat

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Hello,

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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