From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (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 11CF379C8 for ; Tue, 15 Oct 2024 02:30:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728959425; cv=none; b=CgqJ4Ki/MfH8qXfGs7HklnFEvTZEjbi7mE59PVmSU3W3n0cE423HsQoqTff2KgM1/ZGoJ9V5JsOsG7tn0iLgrNk5ctXvUgMuq/ibYuXwNICZ44d7+Gxgg/dAAP7an7HXlmIDZm3S+8pxg/7CmykGFxrmHaFoa1OcGJ8G85b2Va0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728959425; c=relaxed/simple; bh=2sxZOK4UHRWx8tg1DEY0UMfzL5hHYaCPT4wQ7R22VjA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gMoLUlWlc5z1gTcF786+nQ/V//bzynLCdvlFRoaCtLpNPtGJmsojpRtDIvBKayABQwjF3rf823gAAorsepAbbFf3GK7B1kGaeov7B8k4ANc8Z+g5mFTs2HLRUInX2APPNx5D0LfD3JAsZhAjrKIYsCWysYa1OQX8fHLUvPcVWFA= 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=RySrbUZE; arc=none smtp.client-ip=95.215.58.179 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="RySrbUZE" Message-ID: <47e92158-4fdb-4fd7-808c-b6735d7ee787@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1728959417; 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: in-reply-to:in-reply-to:references:references; bh=unwgkNzP3UT467HzdUb952mpfMEMHs6MjC417zS7fas=; b=RySrbUZE/lXwwJUWkhUBTrwuG0KgwEnj/AtMBzMBeCJJkXoTk8+AtQWj5k06c8Kx9bK3xB WCDp6f26NHpU139ck2710QHijTvsI+NnnBH8RQBc58Vs34XkyDjDpbG1r0QKiaB8xpEqpz SWtuknJwub2mR9rUHF7pRDGwpnpKxPE= Date: Tue, 15 Oct 2024 10:30:08 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v5 3/3] Docs/zh_CN: Fix the pfn calculation error in page_tables.rst To: Pengyu Zhang , alexs@kernel.org, siyanteng@loongson.cn, corbet@lwn.net, seakeel@gmail.com Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, yaxin_wang_uestc@163.com, zenghui.yu@linux.dev References: <20241014155526.17065-1-zpenya1314@gmail.com> <20241014155526.17065-4-zpenya1314@gmail.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yanteng Si In-Reply-To: <20241014155526.17065-4-zpenya1314@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT 在 2024/10/14 23:55, Pengyu Zhang 写道: > Synchronize the changes of origin document to fix the pfn value. > > Signed-off-by: Pengyu Zhang Reviewed-by: Yanteng Si Thanks, Yanteng > --- > Documentation/translations/zh_CN/mm/page_tables.rst | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/translations/zh_CN/mm/page_tables.rst b/Documentation/translations/zh_CN/mm/page_tables.rst > index 544381c348b1..b0700a5a8bf1 100644 > --- a/Documentation/translations/zh_CN/mm/page_tables.rst > +++ b/Documentation/translations/zh_CN/mm/page_tables.rst > @@ -32,7 +32,7 @@ Linux 将页表定义为一个分级结构，目前有五级。对于支持的 > 在页粒度为 4KB 且地址范围为32位的情况下，pfn 0 对应地址0x00000000，pfn 1 对应 > 地址0x00001000，pfn 2 对应地址 0x00002000，以此类推，直到 pfn 0xfffff 对应 > 0xfffff000。如果页粒度为 16KB，则 pfn 分别对应地址 0x00004000、0x00008000 > -... 0xffffc000，pfn 的范围从 0 到 0x3fffff。 > +... 0xffffc000，pfn 的范围从 0 到 0x3ffff。 > > 如你所见，对于 4KB 页面粒度，页基址使用地址的 12-31 位，这就是为什么在这种情况下 > `PAGE_SHIFT` 被定义为 12，并且 `PAGE_SIZE` 通常由页偏移定义，为 `(1 << PAGE_SHIFT)`。