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Date: Fri, 19 Feb 2016 13:19:02 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [RFC PATCH 3/3] mm/zsmalloc: change ZS_MAX_PAGES_PER_ZSPAGE
Message-ID: <20160219041902.GA976@swordfish>
References: <1455764556-13979-1-git-send-email-sergey.senozhatsky@gmail.com>
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To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Joonsoo Kim <js1304@gmail.com>, Andrew Morton <akpm@linux-foundation.org>, Minchan Kim <minchan@kernel.org>, Linux Memory Management List <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

On (02/19/16 13:16), Sergey Senozhatsky wrote:
> # cat /sys/kernel/debug/zsmalloc/zram0/classes 
>   class  size  huge almost_full almost_empty obj_allocated   obj_used pages_used pages_per_zspage
>      0    32             0            0             0          0          0                1
>      1    48             0            0             0          0          0                3
>      2    64             3            0         31360      31355        490                1
>      3    80             1            1         62781      62753       1231                1
[..]
>    254  4096 Y           0            0        632586     632586     632586                1
> 

> so BAD classes are 10 times more often than 64 bytes objects for example. and not all of 4096
a typo, 				^^^^^ 80 bytes. and 20 times class 64.

	-ss

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