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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 473B5C433DB for ; Sun, 27 Dec 2020 07:33:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0982D20857 for ; Sun, 27 Dec 2020 07:33:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726114AbgL0Hdh (ORCPT ); Sun, 27 Dec 2020 02:33:37 -0500 Received: from m12-12.163.com ([220.181.12.12]:42110 "EHLO m12-12.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbgL0Hdh (ORCPT ); Sun, 27 Dec 2020 02:33:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=U1E2nHjvAHl9sTWvIk fd0iDL775g9uAG+881yFD/zfs=; b=a8wr6Mhv7i3QbzFf++IrZ8J4MjUM4ETlhh qH0OnHhF+IGAutkbM1bD4zITPmKow6wQgwiKCyOqxrOZ7I7YNUn/aNLhcZGum7YX aPB2DuaZLK4yXPhc6l5QvyDbfYPDUt24LiHuEq7ZO/9SuhcCMPkMZgEpAbmIXZMr 6hFV3CYJI= Received: from localhost.localdomain.localdomain (unknown [171.221.128.54]) by smtp8 (Coremail) with SMTP id DMCowACXS9mjNOhf1Ux_JA--.60335S2; Sun, 27 Dec 2020 15:15:47 +0800 (CST) From: winndows@163.com To: corbet@lwn.net Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Liao Pingfang Subject: [PATCH] docs/mm: concepts.rst: Correct the threshold to low watermark Date: Sun, 27 Dec 2020 15:15:19 +0800 Message-Id: <1609053319-3112-1-git-send-email-winndows@163.com> X-Mailer: git-send-email 1.8.3.1 X-CM-TRANSID: DMCowACXS9mjNOhf1Ux_JA--.60335S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrKw1fXr4ruw43tr43ZFWxtFb_yoWkurbEka 4UXFs29a1xA348G3yfJ3ZYvFW29r4Ig34fCwn3Ar47J3yUuan8AF1kuF1Yy34fJr429r43 Wr98Jr97Kr1a9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8rMaUUUUUU== X-Originating-IP: [171.221.128.54] X-CM-SenderInfo: hzlq0vxrzvqiywtou0bp/1tbiMAgImVWBwhgVhQAAs3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Liao Pingfang It should be "low watermark" where we wake up kswapd daemon. Signed-off-by: Liao Pingfang --- Documentation/admin-guide/mm/concepts.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/admin-guide/mm/concepts.rst b/Documentation/admin-guide/mm/concepts.rst index fa0974f..b966fcf 100644 --- a/Documentation/admin-guide/mm/concepts.rst +++ b/Documentation/admin-guide/mm/concepts.rst @@ -184,7 +184,7 @@ pages either asynchronously or synchronously, depending on the state of the system. When the system is not loaded, most of the memory is free and allocation requests will be satisfied immediately from the free pages supply. As the load increases, the amount of the free pages goes -down and when it reaches a certain threshold (high watermark), an +down and when it reaches a certain threshold (low watermark), an allocation request will awaken the ``kswapd`` daemon. It will asynchronously scan memory pages and either just free them if the data they contain is available elsewhere, or evict to the backing storage -- 1.8.3.1