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Subject: Re: [PATCH 09/10] hugetlb: remove meaningless BUG_ON(huge_pte_none())
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From:   Muchun Song <muchun.song@linux.dev>
In-Reply-To: <20220826092422.39591-10-linmiaohe@huawei.com>
Date:   Sat, 27 Aug 2022 10:03:19 +0800
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Muchun Song <songmuchun@bytedance.com>,
        Linux MM <linux-mm@kvack.org>, linux-kernel@vger.kernel.org
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References: <20220826092422.39591-1-linmiaohe@huawei.com>
 <20220826092422.39591-10-linmiaohe@huawei.com>
To:     Miaohe Lin <linmiaohe@huawei.com>
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> On Aug 26, 2022, at 17:24, Miaohe Lin <linmiaohe@huawei.com> wrote:
> 
> When code reaches here, invalid page would have been accessed if huge pte
> is none. So this BUG_ON(huge_pte_none()) is meaningless. Remove it.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>

Reviewed-by: Muchun Song <songmuchun@bytedance.com>

Thanks.