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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,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 37AB7C4361B for ; Fri, 11 Dec 2020 19:37:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 008AE23D97 for ; Fri, 11 Dec 2020 19:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436848AbgLKRzo (ORCPT ); Fri, 11 Dec 2020 12:55:44 -0500 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:62279 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392649AbgLKRyu (ORCPT ); Fri, 11 Dec 2020 12:54:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1607709291; x=1639245291; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=Jy3a9xryuHxWtnoO0PrKsoHstLAQUkeKOQZ9HySDrMs=; b=uFP9n2w75jgbSNGrPoPdW+Vffv0jMzMtA+zQRsYiKiMNmt0t97ik1bGM eyRFa0lnQ1dVFDl0ZGHbXUsfEIYa8RVCbaQPC0RSAJvDynqTD8WhPFyLd sEUfw6bGVjsoadsbcKgeddVpg4/FxOie+jrEL6/vnq1bFAUpFRqgEnBas U=; X-IronPort-AV: E=Sophos;i="5.78,412,1599523200"; d="scan'208";a="103547801" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1e-42f764a0.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 11 Dec 2020 17:54:04 +0000 Received: from EX13D31EUA001.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-1e-42f764a0.us-east-1.amazon.com (Postfix) with ESMTPS id C5E50B1453; Fri, 11 Dec 2020 17:54:01 +0000 (UTC) Received: from u3f2cd687b01c55.ant.amazon.com (10.43.162.53) by EX13D31EUA001.ant.amazon.com (10.43.165.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Dec 2020 17:53:41 +0000 From: SeongJae Park To: Eric Dumazet CC: SeongJae Park , David Miller , SeongJae Park , Jakub Kicinski , "Alexey Kuznetsov" , Florian Westphal , "Paul E. McKenney" , netdev , , LKML Subject: Re: [PATCH v4] net/ipv4/inet_fragment: Batch fqdir destroy works Date: Fri, 11 Dec 2020 18:53:26 +0100 Message-ID: <20201211175326.1705-1-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.162.53] X-ClientProxiedBy: EX13D48UWA001.ant.amazon.com (10.43.163.52) To EX13D31EUA001.ant.amazon.com (10.43.165.15) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 11 Dec 2020 15:36:53 +0100 Eric Dumazet wrote: > On Fri, Dec 11, 2020 at 12:24 PM SeongJae Park wrote: > > > > From: SeongJae Park > > > > On a few of our systems, I found frequent 'unshare(CLONE_NEWNET)' calls > > make the number of active slab objects including 'sock_inode_cache' type > > rapidly and continuously increase. As a result, memory pressure occurs. > > > > > Signed-off-by: SeongJae Park > > --- > > > > Reviewed-by: Eric Dumazet > > Jakub or David might change the patch title, no need to resend. > > Thanks for this nice improvement. My very best pleasure! Thank you always for your nice advices and reviews! Thanks, SeongJae Park