linux-kernel - Re: [PATCH v3 0/7] zram idle page writeback

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Message-ID: <20181130043656.GC605@jagdpanzerIV>
Date:   Fri, 30 Nov 2018 13:36:56 +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>,
        Joey Pabalinas <joeypabalinas@...il.com>
Subject: Re: [PATCH v3 0/7] zram idle page writeback

On (11/27/18 14:54), Minchan Kim wrote:
> Inherently, swap device has many idle pages which are rare touched since
> it was allocated. It is never problem if we use storage device as swap.
> However, it's just waste for zram-swap.
> 
> This patchset supports zram idle page writeback feature.
> 
> * Admin can define what is idle page "no access since X time ago"
> * Admin can define when zram should writeback them
> * Admin can define when zram should stop writeback to prevent wearout
> 
> Detail is on each patch's description.
> 
> Below first two patches are -stable material so it could go first
> separately with others in this series.

I had some time to look at the patches
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

Will give it some testing later; next week maybe.

	-ss