linux-kernel - Re: [PATCH] z3fold: add shrinker

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Message-ID: <20161011213648.GC27872@dastard>
Date:   Wed, 12 Oct 2016 08:36:48 +1100
From:   Dave Chinner <david@...morbit.com>
To:     Vitaly Wool <vitalywool@...il.com>
Cc:     Linux-MM <linux-mm@...ck.org>, linux-kernel@...r.kernel.org,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] z3fold: add shrinker

On Tue, Oct 11, 2016 at 11:14:08PM +0200, Vitaly Wool wrote:
> This patch implements shrinker for z3fold. This shrinker
> implementation does not free up any pages directly but it allows
> for a denser placement of compressed objects which results in
> less actual pages consumed and higher compression ratio therefore.
> 
> Signed-off-by: Vitaly Wool <vitalywool@...il.com>

This seems to implement the shrinker API we removed a ~3 years ago
(commit a0b02131c5fc ("shrinker: Kill old ->shrink API.")). Forward
porting and testing required, perhaps?

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com