linux-kernel - Re: [PATCH -next v5 1/5] mm: page_table_check: using PxD_SIZE instead of PxD_PAGE

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Message-ID: <CA+CK2bCWRL_vXW1BUhxb-zLiywXTCQdaa+9feEwQytYW=K46-g@mail.gmail.com>
Date:   Thu, 21 Apr 2022 11:28:27 -0400
From:   Pasha Tatashin <pasha.tatashin@...een.com>
To:     Tong Tiangen <tongtiangen@...wei.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-riscv@...ts.infradead.org,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Guohanjun <guohanjun@...wei.com>
Subject: Re: [PATCH -next v5 1/5] mm: page_table_check: using PxD_SIZE instead
 of PxD_PAGE_SIZE

On Thu, Apr 21, 2022 at 4:02 AM Tong Tiangen <tongtiangen@...wei.com> wrote:
>
> Macro PUD_SIZE/PMD_SIZE is more general in various architectures. Using
> PUD_SIZE/PMD_SIZE instead of PUD_PAGE_SIZE/PMD_PAGE_SIZE can better
> support page table check in architectures other than x86 and it is no
> functional impact on x86.
>
> Suggested-by: Anshuman Khandual <anshuman.khandual@....com>
> Signed-off-by: Tong Tiangen <tongtiangen@...wei.com>

Acked-by: Pasha Tatashin <pasha.tatashin@...een.com>