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

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Message-ID: <20181202232023.GB21560@google.com>
Date:   Mon, 3 Dec 2018 08:20:23 +0900
From:   Minchan Kim <minchan@...nel.org>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Joey Pabalinas <joeypabalinas@...il.com>
Subject: Re: [PATCH v3 0/7] zram idle page writeback

On Fri, Nov 30, 2018 at 01:36:56PM +0900, Sergey Senozhatsky wrote:
> 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.

Thanks Sergey!