From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-40.mta0.migadu.com [91.218.175.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B21AE3BF67A for ; Wed, 19 Aug 2026 02:55:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.40 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787108153; cv=none; b=B0/llBafiuKgGmD+p6JNsBc26HTWnE79tPzi3CaLxycEbXEpuarQsc2idbgdajSTL232md8OdjNytKHsT90l+w0xSUPBpmKEjioQF2iYMNJFXZg4Y+/Z3n0uyZTHnUW7g2rzGEt94/s6YWkNQzEKkV4tQwTAgjTXHk0AkgoJByQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787108153; c=relaxed/simple; bh=zxWjcb4X1Iw9tXimIVoDts6LOLbhiIXv7ohDFx0fCa8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=PXeThGhJYBUIIn6qi4PRQZ3wQ5V8A6huqCJsG9rGcaOcqT8CAnDOf0XD2G3RcyNvlHsji3+a8KdYEvjKEIDakwmYuzFkh4Ztus5mdJtqMMr0LCv5HVlAQS4ECCvIqmdV5/3vC8KU8gGEeFpGN29kLBjMdIH3r9dMVqsZY7p6p28= 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=SDIKdXl2; arc=none smtp.client-ip=91.218.175.40 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="SDIKdXl2" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=zxWjcb4X1Iw9tXimIVoDts6LOLbhiIXv7ohDFx0fCa8=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1787108149; v=1; x=1787712949; b=SDIKdXl2fq8ANlBBFAtxxJbeUU+i1rqia9kd5WHla/+tRVi7j1/Q6eKxVV7lw4QTFH8T9spu MkVV1qUjWGVe1CHFoNs5SzDXgFDWM03L/ScfaATb9bo0RW0Np8AQnYs054MOQoSF4Ry2FaPbA5w Gh+6dFLJuqewr/O4mYxLJPJw= X-Envelope-To: linux-kernel@vger.kernel.org Received: from localhost.localdomain (223.70.160.239) by smtp.migadu.com with ESMTPS id 3fd91cf08250d7bf; Wed, 19 Aug 2026 02:55:49 +0000 X-Migadu-Flow: FLOW_OUT From: Ye Liu To: Alex Shi , Yanteng Si , Jonathan Corbet Cc: Ye Liu , Dongliang Mu , Shuah Khan , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RESEND PATCH v2] docs/zh_CN: sync page_table_check.rst translation Date: Wed, 19 Aug 2026 10:55:35 +0800 Message-Id: <20260819025535.2967566-1-ye.liu@linux.dev> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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