Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp1978037pxu; Sun, 13 Dec 2020 09:25:31 -0800 (PST) X-Google-Smtp-Source: ABdhPJym3DQkf0QfIkS5ixsPDMor1De9BI//gMfOCYR2mZ6AsvtPLh4Tv1DwVkXskRx1ZYByWheZ X-Received: by 2002:a17:907:2116:: with SMTP id qn22mr19513837ejb.483.1607880330929; Sun, 13 Dec 2020 09:25:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607880330; cv=none; d=google.com; s=arc-20160816; b=Dwbxi/Ht2Dkr/Yrk4Rk1KQJuK0ppzKc3xSMNqB94tuIfSQKgYSRf7FKMpYpec//k8L zsmBG/BcjUKxbG+GBbQG9EwqgJCbOeznLFBhn5j26C+VVuQdQRGgERZDA0sRzdKyl5fE 9RFmyyaGCFgj1IMj+jAy0SJhdSZKb7CmpZPBvOwMLxGlYScFRCnpJZKAMHnHhy3ixIJl fgkGDTGekZ86+dxqt0neDw1uBkoe/xdZUD/jfPh2Meou4fx5b79IBPaTNdi+c6vj6ITH iP4khaQB5gV/hsMaGBVZC+EyM+GQvBP5j9hjreUIGuU5g38BDxhGNA4qxQe6pTIoTpo2 L2aA== 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:dkim-signature :date; bh=dd8ux06o7d4qNuqurRvKWNbhOrLWo8p3EEybxxMiq+A=; b=icGZSxFUGGW/znnwuP1NmzVAGm8OAJ+wuneTJuM3Yt1MkwBd++wZVZPOSs4jFJtPSL PZQW4rrHwDO5n+FZeZsi+2JVi2mS66N4OE2oprRYZPNsKaOOJVVzf6d5Iqk/xNm8iMHN trg5TV88FgazHrj84KqIdzVR75wDExGGzDUmhNd7iSC7NtXsft2ef7l1eetAMfLGqZ9/ yGJNRRs1tANNgJikAIDzUhwEpMDlPSU7Ky18SYohPDPJ65pPGT6R98Rvt56/F0LCLnA9 6v/VxW1Eor8+JiIwxhjMFPKXWBs30AUEDoZOvbUyN1hdzz1OM/wAlYsihEymiWCCpO/u YNmw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Gf8yIPjK; 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=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p8si8959723edm.143.2020.12.13.09.25.08; Sun, 13 Dec 2020 09:25:30 -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=@kernel.org header.s=k20201202 header.b=Gf8yIPjK; 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=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408160AbgLLXMH (ORCPT + 99 others); Sat, 12 Dec 2020 18:12:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:46752 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725822AbgLLXMH (ORCPT ); Sat, 12 Dec 2020 18:12:07 -0500 Date: Sat, 12 Dec 2020 15:11:25 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1607814686; bh=bCJ0vEa+NXKDqpdHivUO/Cf39yNtoHaB+vwlCR4wO60=; h=From:To:Cc:Subject:In-Reply-To:References:From; b=Gf8yIPjKuFCMf4x4E9D+2oL2eGsxgC1L4B0TBLV64mbEeZ7gLoZmbl6S8cvjtAAEr lu9iq7sEJFbz5p+mc6N597jxqrtyf5kd6mDQpsV56w3o51/Xi+CA1eD0KDe46FtAHh zeb3BYEo8V+pghgMpIhrmz92oPylJZghKxvnHNipPykLYInfLlJTBR3F3AWEuMNzIK DD+2FsZqIruH4mAppeV9HA5C7NLmV20ynPeHmyV1a9CpMoKJBflx9X2weOFSMrB7iw /5XPA9PeFEb+NwySfwRL0TgHIlQpSoopYG8okkFQoz/8yqyaoOjLtcwh/vhECXJ/Q/ grB0h4z/eoImw== From: Jakub Kicinski To: Eric Dumazet Cc: SeongJae Park , David Miller , SeongJae Park , Alexey Kuznetsov , Florian Westphal , "Paul E. McKenney" , netdev , rcu@vger.kernel.org, LKML Subject: Re: [PATCH v4] net/ipv4/inet_fragment: Batch fqdir destroy works Message-ID: <20201212151125.1d8074a4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: References: <20201211112405.31158-1-sjpark@amazon.com> 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 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. > > Reviewed-by: Eric Dumazet > > Jakub or David might change the patch title, no need to resend. "inet: frags: batch fqdir destroy works" it is. Applied, thanks!