From patchwork Fri Jun 18 15:18:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charan Teja Kalla X-Patchwork-Id: 12331641 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=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 8D406C49361 for ; Fri, 18 Jun 2021 15:19:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 385A6613E9 for ; Fri, 18 Jun 2021 15:19:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 385A6613E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D02CE6B007B; Fri, 18 Jun 2021 11:19:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CD9B86B007D; Fri, 18 Jun 2021 11:19:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B7AA56B007E; Fri, 18 Jun 2021 11:19:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0080.hostedemail.com [216.40.44.80]) by kanga.kvack.org (Postfix) with ESMTP id 872006B007B for ; Fri, 18 Jun 2021 11:19:45 -0400 (EDT) Received: from smtpin32.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 35284EFCF for ; Fri, 18 Jun 2021 15:19:45 +0000 (UTC) X-FDA: 78267204330.32.FD2CE9E Received: from so254-9.mailgun.net (so254-9.mailgun.net [198.61.254.9]) by imf14.hostedemail.com (Postfix) with ESMTP id 62B30C01C098 for ; Fri, 18 Jun 2021 15:19:40 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1624029584; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=J9yXQ6oRlJ+lpMcEvlTUhkm+Zl/MViuXSRM8imLm6O4=; b=Gm4ZnP/+uJAwJXJenWlk8zIq4t9llcS7ZplvcnpDiSzGxojWtOacV0wCzN0Mxn7SskVhcKCt 2lQjwo5quzoGRRa0loZAyqPqookEoClIA0tEZi4gwfZfRuGPF/TS0pmLTPIa4HREn7bcLwvU p005TIG/RKbM5uv+YFgSghIwlSc= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIwY2Q3OCIsICJsaW51eC1tbUBrdmFjay5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 60ccb979f726fa41885974f7 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 18 Jun 2021 15:19:21 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6518BC41623; Fri, 18 Jun 2021 15:19:20 +0000 (UTC) Received: from hu-charante-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: charante) by smtp.codeaurora.org (Postfix) with ESMTPSA id D8E01C4360C; Fri, 18 Jun 2021 15:19:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D8E01C4360C From: Charan Teja Reddy To: akpm@linux-foundation.org, vbabka@suse.cz, corbet@lwn.net, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, osalvador@suse.de, rientjes@google.com, mchehab+huawei@kernel.org, lokeshgidra@google.com, andrew.a.klychkov@gmail.com, xi.fengfei@h3c.com, nigupta@nvidia.com, dave.hansen@linux.intel.com, famzheng@amazon.com, mateusznosek0@gmail.com, oleksandr@redhat.com, sh_def@163.com Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Charan Teja Reddy Subject: [PATCH V4,0/3] mm: compaction: proactive compaction trigger by user Date: Fri, 18 Jun 2021 20:48:52 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=mg.codeaurora.org header.s=smtp header.b="Gm4ZnP/+"; spf=pass (imf14.hostedemail.com: domain of bounce@mg.codeaurora.org designates 198.61.254.9 as permitted sender) smtp.mailfrom=bounce@mg.codeaurora.org; dmarc=none X-Stat-Signature: dabaexyy74homs1ag97quz9emu1ciy7r X-Rspamd-Queue-Id: 62B30C01C098 X-Rspamd-Server: rspam06 X-HE-Tag: 1624029580-686870 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: These patches support triggering of proactive compaction by user on write to the /proc/sys/vm/compaction_proactiveness. Changes in V4: -- Changed the code as the 'proactive_defer' counter is removed. -- No changes in the logic of triggering the proactive compaction. -- Removed the 'proactive_defer' counter. Changes in V3: -- Fixed review comments from Vlastimil and others. -- Fixed wake up logic when compaction_proactiveness is zero. -- https://lore.kernel.org/patchwork/patch/1438211/ Changes in V2: -- remove /proc/../proactive_compact_memory interface trigger for proactive compaction -- Intention is same that add a way to trigger proactive compaction by user. -- https://lore.kernel.org/patchwork/patch/1431283/ Changes in V1: -- Created the new /proc/sys/vm/proactive_compact_memory in interface to trigger proactive compaction from user -- https://lore.kernel.org/lkml/1619098678-8501-1-git-send-email-charante@codeaurora.org/ Charan Teja Reddy (3): mm: compaction: optimize proactive compaction deferrals mm: compaction: support triggering of proactive compaction by user mm: compaction: fix wakeup logic of proactive compaction Documentation/admin-guide/sysctl/vm.rst | 3 +- include/linux/compaction.h | 2 ++ include/linux/mmzone.h | 1 + kernel/sysctl.c | 2 +- mm/compaction.c | 61 +++++++++++++++++++++++++++------ 5 files changed, 56 insertions(+), 13 deletions(-)