linux-kernel - Re: [PATCH 2/3] mm: memory-failure: avoid pfn_valid() twice in soft_offline

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Date:   Sun, 23 Oct 2022 23:39:14 +0000
From:   HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] mm: memory-failure: avoid pfn_valid() twice in
 soft_offline_page()

On Fri, Oct 21, 2022 at 04:46:10PM +0800, Kefeng Wang wrote:
> Simplify WARN_ON_ONCE(flags & MF_COUNT_INCREASED) under !pfn_valid().
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>

Acked-by: Naoya Horiguchi <naoya.horiguchi@....com>