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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 E1FBDC43381 for ; Mon, 18 Feb 2019 15:30:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B155C217D7 for ; Mon, 18 Feb 2019 15:30:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732411AbfBRPau (ORCPT ); Mon, 18 Feb 2019 10:30:50 -0500 Received: from shelob.surriel.com ([96.67.55.147]:54980 "EHLO shelob.surriel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731943AbfBRPat (ORCPT ); Mon, 18 Feb 2019 10:30:49 -0500 Received: from imladris.surriel.com ([96.67.55.152]) by shelob.surriel.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1gvksW-00040i-Kg; Mon, 18 Feb 2019 10:30:44 -0500 Message-ID: Subject: Re: [PATCH 4.20 71/92] Revert "mm: slowly shrink slabs with a relatively small number of objects" From: Rik van Riel To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org, Dave Chinner , Wolfgang Walter , Roman Gushchin , Spock , Michal Hocko , Andrew Morton , Linus Torvalds Date: Mon, 18 Feb 2019 10:30:44 -0500 In-Reply-To: <20190218133501.533140116@linuxfoundation.org> References: <20190218133454.668268457@linuxfoundation.org> <20190218133501.533140116@linuxfoundation.org> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-HrjbQvu4pfqtF7rEbfwL" X-Mailer: Evolution 3.28.5 (3.28.5-1.fc28) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-HrjbQvu4pfqtF7rEbfwL Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2019-02-18 at 14:43 +0100, Greg Kroah-Hartman wrote: > 4.20-stable review patch. If anyone has any objections, please let > me know. >=20 > ------------------ >=20 > From: Dave Chinner >=20 > commit a9a238e83fbb0df31c3b9b67003f8f9d1d1b6c96 upstream. >=20 > This reverts commit 172b06c32b9497 ("mm: slowly shrink slabs with a > relatively small number of objects"). This revert will result in the slab caches of dead cgroups with a small number of remaining objects never getting reclaimed, which can be a memory leak in some configurations. But hey, that's your tradeoff to make. --=20 All Rights Reversed. --=-HrjbQvu4pfqtF7rEbfwL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEKR73pCCtJ5Xj3yADznnekoTE3oMFAlxqz6QACgkQznnekoTE 3oPMPAf/aMoAo7VCI+2IA9GMcxdqerqDRe93L7Dz/CQklTNsUiBvPvY7Ybqrj7Pl XWUTtHj08FdSIgzuCpLj4ntKr0xC6IhJfYNcfQCnwLgXt+PwPw1zPhOjgxgNfzPb LTcLbmyy6Ilz9wSYoWddKJ5mUc69ZPat6f0mFi+T0rKkx2Dh7a4G6SG30XsBqlBM aG4fxDdCM+RV09zhLfABIKLmOuezLvhyZhaocVp/BoRllnlob+DDqyBIVxZq4TOd weq+cCpsI34RZCnss+5OdYDJ0No0/V+oKCGKLhmdJp8NCva49qcnzTe6DEyIabNj jn/awLkZVJCOeYLzoS3dmHyG4BO0BQ== =vJ0N -----END PGP SIGNATURE----- --=-HrjbQvu4pfqtF7rEbfwL--