From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta0.migadu.com (out-172.mta0.migadu.com [91.218.175.172]) (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 0100738E8A6 for ; Thu, 6 Aug 2026 01:31:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785979867; cv=none; b=QrJgeRArzG1vTQwXkkq92waLEAVmDiRKc4x4KeFLx7BgDavH2O1Al4QyANfEXwlC1UGDbzNlTcs5Ke8kaA33La1MymZzqXHV8E1WdEDrZID7A9emh+vNyE3dgZW9m1sRlv4AWZqHnqNnbYG4/AE68aerKruy+/1/QcvSGPJrf+w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785979867; c=relaxed/simple; bh=zxWjcb4X1Iw9tXimIVoDts6LOLbhiIXv7ohDFx0fCa8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=BMMN/TKwYXetmetwuiNNQiQNJRf1dJpcPjX5k8jw0E3pEf46vDwv6HpsXTlkdOyvgAZXLmP0OXwcKOLL32pZ+L40MiuUg8sMqDPNOHs+GTRS8ACXb5ZLylL7HrutjfL0zvI1gPEiGHzhanMjT1tOtdO9TaEU6SqloXeZ2cYl15k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=hiAM6j6d; arc=none smtp.client-ip=91.218.175.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="hiAM6j6d" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1785979861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=97O2rgb7/Rt9aFUmLp5hoCt8bE+pGi8HovBA2l4IRR4=; b=hiAM6j6dtnreiKNgEseMfGUMBjLobCrz6PcTAj1gOENH90tAMG749sgZD6PM8ozc9VAVTb 8eZJmH7l8PfcPhYvua6U/abETBnarhOXYvuiauahrye7QFGD5aCOzYxkVffeFJmhnyz7n0 FGyMbIH2M2AqdVTUkuvCxpf2nu6qhZE= From: Ye Liu To: Alex Shi , Yanteng Si , Jonathan Corbet Cc: Ye Liu , Dongliang Mu , Shuah Khan , Randy Dunlap , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] docs/zh_CN: sync page_table_check.rst translation Date: Thu, 6 Aug 2026 09:30:55 +0800 Message-Id: <20260806013055.2690464-1-ye.liu@linux.dev> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT From: Ye Liu Update the translation of page_table_check.rst to reflect changes in the English original, including the clarification on corruption detection and the new paragraph about userfaultfd wr-protect verification. Update the translation through commit 8430557fc584 ("mm/page_table_check: support userfault wr-protect entries") Signed-off-by: Ye Liu --- v2: - Update the commit message. .../translations/zh_CN/mm/page_table_check.rst | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/translations/zh_CN/mm/page_table_check.rst b/Documentation/translations/zh_CN/mm/page_table_check.rst index dc34570dceff..7ba5a39db487 100644 --- a/Documentation/translations/zh_CN/mm/page_table_check.rst +++ b/Documentation/translations/zh_CN/mm/page_table_check.rst @@ -21,9 +21,13 @@ 当新的页面可以从用户空间访问时，页表检查通过将它们的页表项（PTEs PMD等）添加到页表中来执行额外 的验证。 -在检测到损坏的情况下，内核会被崩溃。页表检查有一个小的性能和内存开销。因此，它在默认情况下是禁用 -的，但是在额外的加固超过性能成本的系统上，可以选择启用。另外，由于页表检查是同步的，它可以帮助调 -试双映射内存损坏问题，在错误的映射发生时崩溃内核，而不是在内存损坏错误发生后内核崩溃。 +在检测到大多数类型的损坏时，内核会崩溃。页表检查有一个小的性能和内存开销。因此，它在默认情况下是 +禁用的，但是在额外的加固超过性能成本的系统上，可以选择启用。另外，由于页表检查是同步的，它可以帮 +助调试双映射内存损坏问题，在错误的映射发生时崩溃内核，而不是在内存损坏错误发生后内核崩溃。 + +页表检查还可用于对各种标志进行页表项检查，在检测到非法的标志组合时输出警告。目前，userfaultfd 是 +唯一的使用者，用于对 wr-protect 位与任何可写标志进行一致性检查。在这种情况下，非法的标志组合不会 +立即直接导致数据损坏，但会使只读数据变为可写，从而在后续修改页面内容时导致损坏。 双重映射检测逻辑 ================ -- 2.25.1