linux-kernel - Re: [PATCH 3/9] mm: remove seemingly spurious reclaimability check from laptop

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Date:   Wed, 1 Mar 2017 15:17:32 +0000
From:   Mel Gorman <mgorman@...e.de>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Jia He <hejianet@...il.com>, Michal Hocko <mhocko@...e.cz>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH 3/9] mm: remove seemingly spurious reclaimability check
 from laptop_mode gating

On Tue, Feb 28, 2017 at 04:40:01PM -0500, Johannes Weiner wrote:
> 1d82de618ddd ("mm, vmscan: make kswapd reclaim in terms of nodes")
> allowed laptop_mode=1 to start writing not just when the priority
> drops to DEF_PRIORITY - 2 but also when the node is unreclaimable.
> That appears to be a spurious change in this patch as I doubt the
> series was tested with laptop_mode,

laptop_mode was not tested.

> and neither is that particular
> change mentioned in the changelog. Remove it, it's still recent.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Acked-by: Mel Gorman <mgorman@...hsingularity.net>