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References: <20220421082042.1167967-1-tongtiangen@huawei.com> <20220421082042.1167967-2-tongtiangen@huawei.com>
In-Reply-To: <20220421082042.1167967-2-tongtiangen@huawei.com>
From:   Pasha Tatashin <pasha.tatashin@soleen.com>
Date:   Thu, 21 Apr 2022 11:28:27 -0400
Message-ID: <CA+CK2bCWRL_vXW1BUhxb-zLiywXTCQdaa+9feEwQytYW=K46-g@mail.gmail.com>
Subject: Re: [PATCH -next v5 1/5] mm: page_table_check: using PxD_SIZE instead
 of PxD_PAGE_SIZE
To:     Tong Tiangen <tongtiangen@huawei.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@kernel.org>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        linux-riscv@lists.infradead.org,
        Kefeng Wang <wangkefeng.wang@huawei.com>,
        Guohanjun <guohanjun@huawei.com>
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On Thu, Apr 21, 2022 at 4:02 AM Tong Tiangen <tongtiangen@huawei.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@arm.com>
> Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>

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