linux-kernel - Re: [PATCH v2 2/2] arm64: mm: implement vmemmap_check

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Message-ID: <8685ca94-1382-45c0-a3c3-4b5ccf244057@quicinc.com>
Date: Mon, 30 Dec 2024 15:48:32 +0800
From: Zhenhua Huang <quic_zhenhuah@...cinc.com>
To: Anshuman Khandual <anshuman.khandual@....com>,
        Catalin Marinas
	<catalin.marinas@....com>
CC: <will@...nel.org>, <ardb@...nel.org>, <ryan.roberts@....com>,
        <mark.rutland@....com>, <joey.gouly@....com>,
        <dave.hansen@...ux.intel.com>, <akpm@...ux-foundation.org>,
        <chenfeiyang@...ngson.cn>, <chenhuacai@...nel.org>,
        <linux-mm@...ck.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] arm64: mm: implement vmemmap_check_pmd for arm64



On 2024/12/27 10:57, Anshuman Khandual wrote:
> However it does not really check the entry to be a section mapping which it should.
> Returning pmd_sect(READ_ONCE(*pmdp)) is the right thing, which should have been the
> case from the beginning when vmemmap_check_pmd() was added. I guess because arm64's
> original vmemmap_populate() checked only for vmemmap_verify() as well. So probably
> this does not need a "Fixes: " tag.

Hi Anshuman,

I agree, will remove "Fixes: " tag in next patchset