From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Tong Tiangen <tongtiangen@huawei.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Pasha Tatashin <pasha.tatashin@soleen.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>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Guohanjun <guohanjun@huawei.com>
Subject: Re: [PATCH -next v4 1/4] mm: page_table_check: move pxx_user_accessible_page into x86
Date: Tue, 19 Apr 2022 14:59:34 +0530 [thread overview]
Message-ID: <1671baf7-046e-7c52-183f-fd654125fd67@arm.com> (raw)
In-Reply-To: <20220418034444.520928-2-tongtiangen@huawei.com>
On 4/18/22 09:14, Tong Tiangen wrote:
> --- a/mm/page_table_check.c
> +++ b/mm/page_table_check.c
> @@ -10,6 +10,14 @@
> #undef pr_fmt
> #define pr_fmt(fmt) "page_table_check: " fmt
>
> +#ifndef PMD_PAGE_SIZE
> +#define PMD_PAGE_SIZE PMD_SIZE
> +#endif
> +
> +#ifndef PUD_PAGE_SIZE
> +#define PUD_PAGE_SIZE PUD_SIZE
> +#endif
Why cannot PMD_SIZE/PUD_SIZE be used on every platform instead ? What is the
need for using PUD_PAGE_SIZE/PMD_PAGE_SIZE ? Are they different on x86 ?
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next prev parent reply other threads:[~2022-04-19 9:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-18 3:44 [PATCH -next v4 0/4]mm: page_table_check: add support on arm64 and riscv Tong Tiangen
2022-04-18 3:44 ` [PATCH -next v4 1/4] mm: page_table_check: move pxx_user_accessible_page into x86 Tong Tiangen
2022-04-19 9:29 ` Anshuman Khandual [this message]
2022-04-20 6:44 ` Tong Tiangen
2022-04-20 16:44 ` Pasha Tatashin
2022-04-21 3:05 ` Tong Tiangen
2022-04-21 3:44 ` Anshuman Khandual
2022-04-21 6:27 ` Tong Tiangen
2022-04-18 3:44 ` [PATCH -next v4 2/4] mm: page_table_check: add hooks to public helpers Tong Tiangen
2022-04-18 3:44 ` [PATCH -next v4 3/4] arm64: mm: add support for page table check Tong Tiangen
2022-04-18 9:28 ` Anshuman Khandual
2022-04-18 15:47 ` Tong Tiangen
2022-04-18 16:20 ` Pasha Tatashin
2022-04-19 7:25 ` Anshuman Khandual
2022-04-19 7:10 ` Anshuman Khandual
2022-04-19 8:52 ` Tong Tiangen
2022-04-19 10:22 ` Anshuman Khandual
2022-04-19 13:19 ` Pasha Tatashin
2022-04-20 5:05 ` Anshuman Khandual
2022-04-20 17:08 ` Pasha Tatashin
2022-04-18 3:44 ` [PATCH -next v4 4/4] riscv: " Tong Tiangen
2022-04-18 6:12 ` [PATCH -next v4 0/4]mm: page_table_check: add support on arm64 and riscv Tong Tiangen
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