From nobody Wed Jun 24 01:16:32 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E527C433EF for ; Wed, 23 Feb 2022 13:41:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241021AbiBWNmU (ORCPT ); Wed, 23 Feb 2022 08:42:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233722AbiBWNmR (ORCPT ); Wed, 23 Feb 2022 08:42:17 -0500 Received: from smtpbguseast3.qq.com (smtpbguseast3.qq.com [54.243.244.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D27850059 for ; Wed, 23 Feb 2022 05:41:44 -0800 (PST) X-QQ-mid: bizesmtp76t1645623681t10dlvj5 Received: from localhost.localdomain (unknown [202.96.137.248]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 23 Feb 2022 21:41:07 +0800 (CST) X-QQ-SSF: 01400000002000D0N000B00A0000000 X-QQ-FEAT: FXvDfBZI5O5sGOdRkLPXVG6Eb4fbEwp/IlmIxAq7UFvDk9EDMiwtbSlLouB9W 6oo1ip+Zbdfkc7CsiEa4E96g+tI+hiXYvY1UUQkwDKi0T1O39vgbTS1/qeG7NmeXP+0lGF/ p3QHbUMI2K0jBM6NCopwW/Bi9c6KwjlmdjP0I5URlZWEd59PBuhRbBF5dzWyr/2K8ysGJ5w gvgft6HD+5cg0UpSKinBdV3I+niu+wDTmKcB5QFdFO+2+0HSKhkDbDrf6F4A4cU/QJdLJ7W hbLEHHPPyBMSAg9OzA/uH5cRBVxCOiA8cA2tn1iYNsQ3elu7LOsO6Ub2qmh8GE6nyrCjDQ0 6M/x754aCDmlh2TnIoKcgayxlKHNOWTanE9og5y1c5SkdCfL4c= X-QQ-GoodBg: 2 From: Yixuan Cao To: corbet@lwn.net Cc: akpm@linux-foundation.org, sfr@canb.auug.org.au, hanshenghong2019@email.szu.edu.cn, weizhenliang@huawei.com, georgi.djakov@linaro.org, skhan@linuxfoundation.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Yixuan Cao Subject: [PATCH] Documentation/vm/page_owner.rst: fix commends Date: Wed, 23 Feb 2022 21:41:04 +0800 Message-Id: <20220223134104.2663-1-caoyixuan2019@email.szu.edu.cn> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:email.szu.edu.cn:qybgforeign:qybgforeign1 X-QQ-Bgrelay: 1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" There are some commends that need to be fixed. Thanks for Shuah Khan's constructive suggestions. The commends have been fixed as follows. a. So, if you'd like to use it, you need to add "page_owner=3Don" into your boot cmdline. Here, "into" has been replaced with "to". b. ...page owner is disabled in runtime due to no enabling, boot option, runtime overhead is marginal. Here, "no" has been replaced with "not". Signed-off-by: Yixuan Cao Acked-by: Randy Dunlap --- Documentation/vm/page_owner.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.= rst index 2b54e82b9fe1..aec1906976f4 100644 --- a/Documentation/vm/page_owner.rst +++ b/Documentation/vm/page_owner.rst @@ -26,9 +26,9 @@ fragmentation statistics can be obtained through gfp flag= information of each page. It is already implemented and activated if page owner is enabled. Other usages are more than welcome. =20 -page owner is disabled in default. So, if you'd like to use it, you need -to add "page_owner=3Don" into your boot cmdline. If the kernel is built -with page owner and page owner is disabled in runtime due to no enabling +page owner is disabled by default. So, if you'd like to use it, you need +to add "page_owner=3Don" to your boot cmdline. If the kernel is built +with page owner and page owner is disabled in runtime due to not enabling boot option, runtime overhead is marginal. If disabled in runtime, it doesn't require memory to store owner information, so there is no runtime memory overhead. And, page owner inserts just two unlikely branches into --=20 2.31.1