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

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Message-ID: <077e01d29304$e3c9c850$ab5d58f0$@alibaba-inc.com>
Date:   Thu, 02 Mar 2017 11:27:15 +0800
From:   "Hillf Danton" <hillf.zj@...baba-inc.com>
To:     "'Johannes Weiner'" <hannes@...xchg.org>,
        "'Andrew Morton'" <akpm@...ux-foundation.org>
Cc:     "'Jia He'" <hejianet@...il.com>, "'Michal Hocko'" <mhocko@...e.cz>,
        "'Mel Gorman'" <mgorman@...e.de>, <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 March 01, 2017 5:40 AM 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, 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: Hillf Danton <hillf.zj@...baba-inc.com>