From: Lorenzo Stoakes <ljs@kernel•org>
To: Yin Tirui <yintirui@huawei•com>
Cc: Andrew Morton <akpm@linux-foundation•org>,
Matthew Wilcox <willy@infradead•org>,
David Hildenbrand <david@kernel•org>,
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linux-mm@kvack•org, linux-kernel@vger•kernel.org, x86@kernel•org,
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linuxppc-dev@lists•ozlabs.org, linux-pm@vger•kernel.org
Subject: Re: [PATCH mm-unstable RFC v4 0/7] mm: add huge pfnmap support for remap_pfn_range()
Date: Tue, 26 May 2026 16:33:56 +0100 [thread overview]
Message-ID: <ahW7rut_WP17KADW@lucifer> (raw)
In-Reply-To: <20260526145003.88445-1-yintirui@huawei.com>
Allow me to be mildly pedantic (sorry :)
One thing I'd like to highlight here is that remap_pfn_range() is, in the long
run, deprecated.
mmap_prepare callbacks will indicate a PFN remap mmap_action, which will do the
heavy lifting (see [0]).
So perhaps worth referring to 'PFN remapping' or something?
(Since we already have mmap_prepare() in use, it's also kinda inaccurate to
say remap_pfn_range() :)
[0]: https://www.kernel.org/doc/html/next/filesystems/mmap_prepare.html
Sorry, this is pretty nitpicky :)
Cheers, Lorenzo
next prev parent reply other threads:[~2026-05-26 15:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 14:49 [PATCH mm-unstable RFC v4 0/7] mm: add huge pfnmap support for remap_pfn_range() Yin Tirui
2026-05-26 14:49 ` [PATCH mm-unstable RFC v4 1/7] x86/mm: use PTE-level pgprot for huge PFN helpers Yin Tirui
2026-05-26 14:49 ` [PATCH mm-unstable RFC v4 2/7] arm64/mm: " Yin Tirui
2026-05-26 14:49 ` [PATCH mm-unstable RFC v4 3/7] powerpc/mm: " Yin Tirui
2026-05-26 14:50 ` [PATCH mm-unstable RFC v4 4/7] mm/huge_memory: refactor copy_huge_pmd() Yin Tirui
2026-05-27 12:24 ` Dev Jain
2026-05-26 14:50 ` [PATCH mm-unstable RFC v4 5/7] mm/huge_memory: refactor __split_huge_pmd_locked() Yin Tirui
2026-05-26 14:50 ` [PATCH mm-unstable RFC v4 6/7] mm/huge_memory: make move_huge_pmd() use has_deposited_pgtable() Yin Tirui
2026-05-26 14:50 ` [PATCH mm-unstable RFC v4 7/7] mm: add PMD-level PFNMAP support for remap_pfn_range() Yin Tirui
2026-05-26 15:33 ` Lorenzo Stoakes [this message]
2026-05-27 2:57 ` [PATCH mm-unstable RFC v4 0/7] mm: add huge pfnmap " Yin Tirui
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