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From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH] mm/hotplug: Optimize clear_hwpoisoned_pages
Date: Tue, 6 Nov 2018 23:32:08 +0000
Message-ID: <20181106233207.GA10086@hori1.linux.bs1.fc.nec.co.jp>
References: <20181102120001.4526-1-bsingharora@gmail.com>
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To: Balbir Singh <bsingharora@gmail.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>, "mhocko@suse.com" <mhocko@suse.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>

On Fri, Nov 02, 2018 at 11:00:01PM +1100, Balbir Singh wrote:
> In hot remove, we try to clear poisoned pages, but
> a small optimization to check if num_poisoned_pages
> is 0 helps remove the iteration through nr_pages.
>=20
> Signed-off-by: Balbir Singh <bsingharora@gmail.com>

Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

Thanks!=