From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E9D072F4A05 for ; Wed, 16 Jul 2025 15:21:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752679284; cv=none; b=SJISILRKU2pPDjj6AT5+qPzLiQ3tCCSNr+yMM1AyehLI8zwNbEn97BuPQakeKwF26tulAgcFSDz8lZrB06SjcTHnNbQ6ffUiYJAHzbuToQ0R36dXLMERJ8zgSSaWyjtbQQ8xiL9hGGnXrA1xQLrXO53N4ROg4ytxfyA0Qc9fJFc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752679284; c=relaxed/simple; bh=N9DR2XoFU8LJ40xmBBEoBU+ULNUrw05MSwSTwA269Vw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=WDtYXHGZkPO4KKrgwzTaFC4Rk3VnjCZMeupXSNhM3Fd+I9YJiQ7hVlDVsObPboulweyEZajrxQXc2rwq2xiuoARJ86IXPJSLdrUm5u/8yq1Vfcl5EhDPlz70RROnPV9BR278KOVGOHgCHhWvJuQnM/Eey34zCPfTRokVpvDaMnc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AmkuWvqL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AmkuWvqL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29E49C4CEF4; Wed, 16 Jul 2025 15:21:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752679283; bh=N9DR2XoFU8LJ40xmBBEoBU+ULNUrw05MSwSTwA269Vw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=AmkuWvqLDRyRSNj9dulYvxOc08DmdmzpwoJID//N3AjazJZ5+3yihVYJWly9foRm1 pY+kagnCLWU5FkldusKOaJmutDjZLVDbmKDaOK0EU+L1NWR3iVZKWsyEKLR00qbaBQ DGCOL48W401QoXZEsTwlaYRpwzSqXBcgpQ+/5u347J6a8wZ1VXoaRiJuek3fVONzCu fYtcADOp90PCiI43k5jsD6Detk2zD12p+XpVjB4veJrO1Il8bXiOAEw3yeaZ/VtFHh 10KIPvNIeKqqaTfmdv7/LVyQmu3qjMGKYbtmETulyzOHcS8N/+LQ0NqROfAmMk5u1g dMl6YmZV1e8Bg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id AE772383BA33; Wed, 16 Jul 2025 15:21:44 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH 1/1] mm/rmap: make folio unmap batching safe and support partial batches From: patchwork-bot+linux-riscv@kernel.org Message-Id: <175267930360.1224517.58776217215607423.git-patchwork-notify@kernel.org> Date: Wed, 16 Jul 2025 15:21:43 +0000 References: <20250627025214.30887-1-lance.yang@linux.dev> In-Reply-To: <20250627025214.30887-1-lance.yang@linux.dev> To: Lance Yang Cc: linux-riscv@lists.infradead.org, akpm@linux-foundation.org, david@redhat.com, 21cnbao@gmail.com, baolin.wang@linux.alibaba.com, chrisl@kernel.org, kasong@tencent.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, ryan.roberts@arm.com, v-songbaohua@oppo.com, x86@kernel.org, huang.ying.caritas@gmail.com, zhengtangquan@oppo.com, riel@surriel.com, Liam.Howlett@oracle.com, vbabka@suse.cz, harry.yoo@oracle.com, mingzhe.yang@ly.com, baohua@kernel.org, lance.yang@linux.dev Hello: This patch was applied to riscv/linux.git (fixes) by Andrew Morton : On Fri, 27 Jun 2025 10:52:14 +0800 you wrote: > From: Lance Yang > > As pointed out by David[1], the batched unmap logic in try_to_unmap_one() > can read past the end of a PTE table if a large folio is mapped starting at > the last entry of that table. > > So let's fix the out-of-bounds read by refactoring the logic into a new > helper, folio_unmap_pte_batch(). > > [...] Here is the summary with links: - [1/1] mm/rmap: make folio unmap batching safe and support partial batches https://git.kernel.org/riscv/c/ddd05742b45b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html