From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
Ard Biesheuvel <ardb@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Karl Mehltretter <kmehltretter@gmail.com>
Subject: Re: [PATCH 6.6.y v2] Revert "arm64: mm: Don't remap pgtables for allocate vs populate"
Date: Mon, 31 Aug 2026 21:21:46 -0400 [thread overview]
Message-ID: <20260831-daily-reply-0002-arm64-idmap-6-6@kernel.org> (raw)
In-Reply-To: <20260831152906.7000-1-kmehltretter@gmail.com>
> This reverts commit 54322d95309d9aa4cb77b34ee4b6c8b541f3e21f.
>
> The 6.6.y backport removes the clearing performed by
> early_pgtable_alloc(). Its replacement clears allocations made by the
> generic page-table walkers, but 6.6's create_idmap() still allocates an
> extra root level directly when a sub-48-bit VA kernel is loaded
> sufficiently high in physical memory.
Queued for 6.6, thanks.
--
Thanks,
Sasha
prev parent reply other threads:[~2026-09-01 1:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 5:42 [PATCH 6.6.y] arm64: mm: clear extra idmap level before use Karl Mehltretter
2026-08-31 5:54 ` Greg Kroah-Hartman
2026-08-31 6:15 ` Ard Biesheuvel
2026-08-31 11:00 ` Karl Mehltretter
2026-08-31 11:47 ` Greg Kroah-Hartman
2026-08-31 15:29 ` [PATCH 6.6.y v2] Revert "arm64: mm: Don't remap pgtables for allocate vs populate" Karl Mehltretter
2026-09-01 1:21 ` Sasha Levin [this message]
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