From mboxrd@z Thu Jan 1 00:00:00 1970 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 AA3D3C433F5 for ; Tue, 8 Mar 2022 17:54:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349320AbiCHRy7 (ORCPT ); Tue, 8 Mar 2022 12:54:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349307AbiCHRy6 (ORCPT ); Tue, 8 Mar 2022 12:54:58 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 773D9522CC for ; Tue, 8 Mar 2022 09:54:01 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 20FFAB81B0B for ; Tue, 8 Mar 2022 17:54:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A632BC340F4; Tue, 8 Mar 2022 17:53:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1646762038; bh=QmRv10CHDlsUKZJVAfKfcAlZjUQGKYe1/x0GAF5WQfA=; h=Date:To:From:Subject:From; b=yYPR4+DU7GCi2DyP27DCFF1K7IAvCpE21Wqd6zcGBN0Y9XkjE8sBZdBFxhEpWZirA E91+gfrcK5XNWr/rwQojNtwyMrb/atUvYb0n/Gv+Cquo+hRnkfhLeMQrPm77TD+XFK QLB1DKOs6shSz+DxrWdJpraGy4+j624edjn9jxek= Date: Tue, 08 Mar 2022 09:53:57 -0800 To: mm-commits@vger.kernel.org, weizhenliang@huawei.com, skhan@linuxfoundation.org, rdunlap@infradead.org, georgi.djakov@linaro.org, corbet@lwn.net, caoyixuan2019@email.szu.edu.cn, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] documentation-vm-page_ownerrst-fix-commends.patch removed from -mm tree Message-Id: <20220308175358.A632BC340F4@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: Documentation/vm/page_owner.rst: fix comments has been removed from the -mm tree. Its filename was documentation-vm-page_ownerrst-fix-commends.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Yixuan Cao Subject: Documentation/vm/page_owner.rst: fix comments There are some comments that need to be fixed. Thanks for Shuah Khan's constructive suggestions. The comments have been fixed as follows. a. So, if you'd like to use it, you need to add "page_owner=on" 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". Link: https://lkml.kernel.org/r/20220223134104.2663-1-caoyixuan2019@email.szu.edu.cn Signed-off-by: Yixuan Cao Cc: Jonathan Corbet Cc: Zhenliang Wei Cc: Georgi Djakov Cc: Shuah Khan Cc: Randy Dunlap Signed-off-by: Andrew Morton --- Documentation/vm/page_owner.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/Documentation/vm/page_owner.rst~documentation-vm-page_ownerrst-fix-commends +++ a/Documentation/vm/page_owner.rst @@ -26,9 +26,9 @@ fragmentation statistics can be obtained each page. It is already implemented and activated if page owner is enabled. Other usages are more than welcome. -page owner is disabled in default. So, if you'd like to use it, you need -to add "page_owner=on" 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=on" 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 _ Patches currently in -mm which might be from caoyixuan2019@email.szu.edu.cn are tools-vm-page_owner_sortc-delete-invalid-duplicate-code.patch mm-page_ownerc-record-tgid.patch tools-vm-page_owner_sortc-fix-the-instructions-for-use.patch