Received: by 2002:a05:6a10:c7c6:0:0:0:0 with SMTP id h6csp1913142pxy; Mon, 2 Aug 2021 13:42:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwITY88SoCYSLG0Nl9d/LEFk53tv3+G9l+ARAxw/4ydJ1hK5EcnW2vOZVNHMXwBhgnTnn1j X-Received: by 2002:a92:de0a:: with SMTP id x10mr250587ilm.215.1627936974950; Mon, 02 Aug 2021 13:42:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627936974; cv=none; d=google.com; s=arc-20160816; b=v7YtAcrhPKZH3SkDjvBSKGnZ7oXOEcxX+mkKEoIhnihzlAh0oDY3KS4e59Q/J3GLTR hNc2nkBmuTICQ92vDJpy0AGptE7Zb6+C2ZQSH502IIU4eFQt4/u/SrWU6e05zQv5u3mq ta+CN+n+vHbXtBXb5eX0FWq09wRvOGKGmrYaTau4oQTRFTfvBeB1EaOfG40RpnERhJFA IsvfHDcKCA4VzHl6q9hE8EEXx0nYbYdAPUIdg51T/fFxW2eHHIT9W5A4o/9jai1V1l3O l9+DQ3MELRctvb5bU7zlnFcTa6D4Xdi/GWYENTCtn4i+wLqXgXv3lSE/NDdCMnGMxm/X ycVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=IY40t7u+hYW6/DuRdKvv1mQf2THd9zJ/sKf5WBUIcF0=; b=grDMjoiLs6NWs9TvdarmXH24XNoYmKgwf/7c2O51W3tat1DHjMH3ZVauPbXpsNLcwN +/En6U5XNljfuatObPsKGhij11/2eLhbhCVHfPruNyZyWmgEg1Y6eWdIExmI1s78GndL qlDG+UnXYU/LdDHj4pd7gKDedhnpfb7zrjE4cDrP+aqbGrflCpNhmBMe7sNC9arVoQ/L Y6dHUcAGPRdr60glJzQJthDRvnD6c8KaW75IE0C5PC0ZIj1tUBHhqso1Wl9NZ1pT6y+Q TeWsPJhKAjfvVjyilOzaqyT3eeKNgeZuYijDP4xMSanK6CXjyHb+qlVnYJR48C40mbwZ 2J+w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=1JTdIkji; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n23si13129382ion.23.2021.08.02.13.42.43; Mon, 02 Aug 2021 13:42:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=1JTdIkji; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232276AbhHBUlx (ORCPT + 99 others); Mon, 2 Aug 2021 16:41:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:58372 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231165AbhHBUlw (ORCPT ); Mon, 2 Aug 2021 16:41:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9936260F35; Mon, 2 Aug 2021 20:41:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1627936902; bh=mD2GlJ7qH0mW1hEmSzx38bjvmcCI51oF/MKdQrW9HmU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=1JTdIkjiyweXRbNQAEN28NLpa5d8t+1ZUkAsnz3nmXFhOSTwSra+EzKTAU/8H0jqg L8vmi7MQk4/BZlCyXJkei2xPkwoMybAKXl1T4b/e9SroNjP/dc4bb/hiIUMlXO/UBm W0qE/aeML0YzE8KUtr+Ov3bF70Ndb/62dDcFyN3Y= Date: Mon, 2 Aug 2021 13:41:41 -0700 From: Andrew Morton To: Charan Teja Kalla Cc: Mike Rapoport , mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, dave.hansen@linux.intel.com, vbabka@suse.cz, mgorman@techsingularity.net, nigupta@nvidia.com, corbet@lwn.net, khalid.aziz@oracle.com, rientjes@google.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, vinmenon@codeaurora.org Subject: Re: [PATCH V5] mm: compaction: support triggering of proactive compaction by user Message-Id: <20210802134141.dbff2d5f850bbe84f3bef4d5@linux-foundation.org> In-Reply-To: <1089d373-221e-7094-b778-ac260ca139a5@codeaurora.org> References: <1627653207-12317-1-git-send-email-charante@codeaurora.org> <1089d373-221e-7094-b778-ac260ca139a5@codeaurora.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2 Aug 2021 17:30:16 +0530 Charan Teja Kalla wrote: > Thanks Mike for the review!! > > On 7/31/2021 1:01 AM, Mike Rapoport wrote: > >> diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst > >> index 003d5cc..b526cf6 100644 > >> --- a/Documentation/admin-guide/sysctl/vm.rst > >> +++ b/Documentation/admin-guide/sysctl/vm.rst > >> @@ -118,7 +118,8 @@ compaction_proactiveness > >> > >> This tunable takes a value in the range [0, 100] with a default value of > >> 20. This tunable determines how aggressively compaction is done in the > >> -background. Setting it to 0 disables proactive compaction. > >> +background. On write of non zero value to this tunable will immediately > > Nit: I think "Write of non zero ..." > > Can Andrew change it while applying the patch ? I have done so, thanks.