From: Yin Tirui <yintirui@huawei.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: "Jürgen Groß" <jgross@suse.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org,
linux-arm-kernel@lists.infradead.org, david@kernel.org,
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mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
hpa@zytor.com, luto@kernel.org, peterz@infradead.org,
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ziy@nvidia.com, baolin.wang@linux.alibaba.com,
Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com,
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yu-cheng.yu@intel.com, baolu.lu@linux.intel.com,
conor.dooley@microchip.com, Jonathan.Cameron@huawei.com,
riel@surriel.com, "Kefeng Wang" <wangkefeng.wang@huawei.com>,
chenjun102@huawei.com
Subject: Re: [PATCH RFC v3 2/4] mm/pgtable: Make pfn_pte() filter out huge page attributes
Date: Tue, 10 Mar 2026 11:36:29 +0800 [thread overview]
Message-ID: <0dc36f64-3e6c-4e4b-bdd1-6e364babb0bc@huawei.com> (raw)
In-Reply-To: <aapXRN4KjWtUUJ0g@casper.infradead.org>
On 3/6/2026 12:25 PM, Matthew Wilcox wrote:
>
> I don't think we should have pgprot_large_2_4k(). Or rather, I think it
> should be embedded in pmd_pgprot() / pud_pgprot(). That is, we should
> have an 'ideal' pgprot which, on x86, perhaps matches that used by the
> 4k level. pfn_pmd() should be converting from the ideal pgprot to
> that actually used by PMDs (and setting _PAGE_PSE?)
>
Hi Willy,
I will take this route and implement the embedded approach for the v4
respin.
--
Yin Tirui
next prev parent reply other threads:[~2026-03-10 3:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-28 7:09 [PATCH RFC v3 0/4] mm: add huge pfnmap support for remap_pfn_range() Yin Tirui
2026-02-28 7:09 ` [PATCH RFC v3 1/4] x86/mm: Use proper page table helpers for huge page generation Yin Tirui
2026-03-06 9:29 ` Jonathan Cameron
2026-03-10 3:23 ` Yin Tirui
2026-02-28 7:09 ` [PATCH RFC v3 2/4] mm/pgtable: Make pfn_pte() filter out huge page attributes Yin Tirui
2026-03-04 7:52 ` Jürgen Groß
2026-03-04 10:08 ` Yin Tirui
2026-03-05 9:38 ` Yin Tirui
2026-03-05 10:05 ` Jürgen Groß
2026-03-10 3:32 ` Yin Tirui
2026-03-06 4:25 ` Matthew Wilcox
2026-03-10 3:36 ` Yin Tirui [this message]
2026-02-28 7:09 ` [PATCH RFC v3 3/4] x86/mm: Remove pte_clrhuge() and clean up init_64.c Yin Tirui
2026-02-28 7:09 ` [PATCH RFC v3 4/4] mm: add PMD-level huge page support for remap_pfn_range() Yin Tirui
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