From patchwork Fri Dec 10 00:30:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Minchan Kim X-Patchwork-Id: 12668469 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF8C5C433F5 for ; Fri, 10 Dec 2021 00:30:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0C3436B0071; Thu, 9 Dec 2021 19:30:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 070E06B0072; Thu, 9 Dec 2021 19:30:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EA27F6B0074; Thu, 9 Dec 2021 19:30:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0250.hostedemail.com [216.40.44.250]) by kanga.kvack.org (Postfix) with ESMTP id DA8766B0071 for ; Thu, 9 Dec 2021 19:30:34 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A0DF918108630 for ; Fri, 10 Dec 2021 00:30:24 +0000 (UTC) X-FDA: 78900003168.08.5D0E872 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by imf25.hostedemail.com (Postfix) with ESMTP id A65DEA0004 for ; Fri, 10 Dec 2021 00:30:23 +0000 (UTC) Received: by mail-pl1-f178.google.com with SMTP id q17so5137236plr.11 for ; Thu, 09 Dec 2021 16:30:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=rdvJHl0i5fz0K7jqw1DWezy/+uZJvXUTbxjwuYlGzxY=; b=Bv5M2obfVTHY9fhNlOO+2TNvG7pBRtHMBlsY+0Hf04M3OiAxOnTdSQx+Woev4PX1pJ tnpOYNolht9TygsbqizHJjmjSzqf8YrHPGPpJiEPqozEhTB//r5yOEageeaVYLb5c9zP vINoeuM+pIuW90zRmTEX3I2uzBZUb2YaoXJ71tWACoLOOL+ps5Yti1HqQigrzD2818Kg wvdKAArcmxrFK9mUINR9iEyQojd6fwJuMiANFUBMobSebuTWkW1DY/Pk+y5+4pczRfzi dEL/NUsSkZQiLBhdW5kc9qXE+RfOd9GHBfU4loc1arzjJOwwrGCXjNROwsBqq8Mqk/9q iVcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=rdvJHl0i5fz0K7jqw1DWezy/+uZJvXUTbxjwuYlGzxY=; b=23tO2N0ZqGcwO6qF6RKr/fwT+3RpX3tDEKdqsY1us6m7hNf2xs0U11nMBWYYml7kHE ISffClAspSXGjYGOE4+/gJL7Ih1gzWbd8AE672Ekk/5/0QYFlwMQ2w+JCboyw7BigXuA MnC+rhLVNCEhNOzVd40h1/ILcP6YwmkJ8YQ+2EcccBa3rdwSXkbMCIAcoyDs6XLfDIh0 MAXlVovc93e9tiDbQgVHS8QqMH9JZuLMsyFUnNYQA0yb9WpvJXIfyZhj57NBTQ++z4HQ TYUXO/TOpOhdLe0fLkh1L2SlQTpbooDrk/11TA2OToPbKNp9AtOwWhwCPlVQBpOTG0XY RbPA== X-Gm-Message-State: AOAM533KhNpOGubjSxfIqWoBlnAPo3v6SF1h1gYIaMnXjBBA6bU6UAjm EfZbHuyqIcGQ2O/oiI8tpO4= X-Google-Smtp-Source: ABdhPJxltfyhSOR+7pzxI138l0a84xLSD7ieiPi2r6U8CTmbE48TU5YjOfNdpK1pxQQ1M5tFtJvQPw== X-Received: by 2002:a17:902:b615:b0:143:bbf0:aad0 with SMTP id b21-20020a170902b61500b00143bbf0aad0mr71880019pls.12.1639096223184; Thu, 09 Dec 2021 16:30:23 -0800 (PST) Received: from bbox-1.mtv.corp.google.com ([2620:15c:211:201:85e0:23ee:fbe7:282b]) by smtp.gmail.com with ESMTPSA id i10sm764029pjd.3.2021.12.09.16.30.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Dec 2021 16:30:22 -0800 (PST) From: Minchan Kim To: Andrew Morton Cc: Jens Axboe , linux-mm , LKML , Suren Baghdasaryan , John Dias , Minchan Kim Subject: [PATCH] mm/madvise: pageout under plugging Date: Thu, 9 Dec 2021 16:30:19 -0800 Message-Id: <20211210003019.1481269-1-minchan@kernel.org> X-Mailer: git-send-email 2.34.1.173.g76aa8bc2d0-goog MIME-Version: 1.0 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: A65DEA0004 X-Stat-Signature: jsoth677cbegjaf1f5xzxkumja3q8rsg Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Bv5M2obf; spf=pass (imf25.hostedemail.com: domain of minchan.kim@gmail.com designates 209.85.214.178 as permitted sender) smtp.mailfrom=minchan.kim@gmail.com; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (policy=none) X-HE-Tag: 1639096223-738822 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: Likewise shrink_lruvec[1], madvise_pageout could get the benefit from per-task block plug. [1] 3da367c3e5fc, vmscan: add block plug for page reclaim Signed-off-by: Minchan Kim --- mm/vmscan.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/vmscan.c b/mm/vmscan.c index fb9584641ac7..cf11113f6adb 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2556,6 +2556,7 @@ unsigned long reclaim_pages(struct list_head *page_list) struct reclaim_stat dummy_stat; struct page *page; unsigned int noreclaim_flag; + struct blk_plug plug; struct scan_control sc = { .gfp_mask = GFP_KERNEL, .may_writepage = 1, @@ -2564,6 +2565,7 @@ unsigned long reclaim_pages(struct list_head *page_list) .no_demotion = 1, }; + blk_start_plug(&plug); noreclaim_flag = memalloc_noreclaim_save(); while (!list_empty(page_list)) { @@ -2603,6 +2605,8 @@ unsigned long reclaim_pages(struct list_head *page_list) } memalloc_noreclaim_restore(noreclaim_flag); + blk_finish_plug(&plug); + return nr_reclaimed; }