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[23.128.96.18]) by mx.google.com with ESMTP id q19si6479482ejc.594.2020.12.12.08.41.40; Sat, 12 Dec 2020 08:42:02 -0800 (PST) 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=@amazon.com header.s=amazon201209 header.b=uFP9n2w7; 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; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391923AbgLKRze (ORCPT + 99 others); Fri, 11 Dec 2020 12:55:34 -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