linux-kernel - Re: [PATCH] zram: fix missing zero pages for memory tracking

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Message-ID: <20180919072916.GA1180@jagdpanzerIV>
Date:   Wed, 19 Sep 2018 16:29:16 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Minchan Kim <minchan@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH] zram: fix missing zero pages for memory tracking

On (09/19/18 14:18), Minchan Kim wrote:
> We need to count zero filled pages as well as other pages in zram.

A nit,

	'ZRAM_FLAG_SHIFT + 1' covers all ZRAM_SAME pages, not only
zero filled pages.

	-ss