From: Catalin Marinas <catalin.marinas@arm.com>
To: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Peter Xu <peterx@redhat.com>
Cc: Will Deacon <will@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alex Williamson <alex.williamson@redhat.com>,
Donald Dutile <ddutile@redhat.com>,
Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH] mm/arm64: Drop dead code for pud special bit handling
Date: Fri, 28 Mar 2025 20:08:06 +0000 [thread overview]
Message-ID: <174319246800.4193737.9820754416446268579.b4-ty@arm.com> (raw)
In-Reply-To: <20250320183405.12659-1-peterx@redhat.com>
On Thu, 20 Mar 2025 14:34:05 -0400, Peter Xu wrote:
> Keith Busch observed some incorrect macros defined in arm64 code [1].
>
> It turns out the two lines should never be needed and won't be exposed to
> anyone, because aarch64 doesn't select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD,
> hence ARCH_SUPPORTS_PUD_PFNMAP is always N. The only archs that support
> THP PUDs so far are x86 and powerpc.
>
> [...]
Applied to arm64 (for-next/core), thanks!
[1/1] mm/arm64: Drop dead code for pud special bit handling
https://git.kernel.org/arm64/c/0fff2aa96f6b
--
Catalin
prev parent reply other threads:[~2025-03-28 20:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-20 18:34 Peter Xu
2025-03-20 21:03 ` Donald Dutile
2025-03-20 21:45 ` Peter Xu
2025-03-21 4:21 ` Anshuman Khandual
2025-03-28 20:08 ` Catalin Marinas [this message]
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