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=-5.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 8F31FC55191 for ; Thu, 23 Apr 2020 19:51:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5126B2076C for ; Thu, 23 Apr 2020 19:51:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="m7cQip5K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5126B2076C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C86C48E0005; Thu, 23 Apr 2020 15:51:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C36FD8E0003; Thu, 23 Apr 2020 15:51:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B4DCE8E0005; Thu, 23 Apr 2020 15:51:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0137.hostedemail.com [216.40.44.137]) by kanga.kvack.org (Postfix) with ESMTP id 99F128E0003 for ; Thu, 23 Apr 2020 15:51:04 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 508098248068 for ; Thu, 23 Apr 2020 19:51:04 +0000 (UTC) X-FDA: 76740163248.16.lace12_437f64d141e5e X-HE-Tag: lace12_437f64d141e5e X-Filterd-Recvd-Size: 4388 Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Thu, 23 Apr 2020 19:51:03 +0000 (UTC) Received: by mail-pl1-f195.google.com with SMTP id f8so2778457plt.2 for ; Thu, 23 Apr 2020 12:51:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=5tWhbVu6f4kKLyjS9n2H+QKCL93se0wUZsp2GpUWnJ4=; b=m7cQip5KfL5HR2V+EKRyTtJ3V15ZC1ZrB+JdE6lRckcbhAabJIJ+UUe6I64yo+ozH5 EQG0k8496luTp9MI9Li0rADkqs/km5SLwhpaU+BAdNVHYpIQYLYEIwPFjaph9xHsJOWE BgTuQ0YwTq1/tBizp9Nl5s9pArRuB/vwdOxTBzFObX0rtnqxB8dGBIhl6MqIf/YIrC77 CKKEnLOMT7ZSckHWfHVg+ezljF9qKyFk7xekfawD/2rQqFLOSQ2jjjNXvAbTHzjoVl9M wajheHzMpnV4daW0yYGoPmE3lBlxJx5zGGung8mzQ3NiPju4cVJcNt2SSXrhyIVozMRJ KCuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=5tWhbVu6f4kKLyjS9n2H+QKCL93se0wUZsp2GpUWnJ4=; b=m8zPpqW//wLLStDqNfncWXAdF9QfQHzyi5mQPR1wVqBSbAxbkkFntS+SB8iqt1WY/v b8099wKsIVPAPiLOR5RGaqkfGQ0yHvlN50N97FeLQtIX8na0N9AexiKr+MTw2H1D4GxZ hFJ7gQx+KMUn2qxFoCjK7CFVRgqx966g6TFBnuvC6+cdCjcZgD4RlNihp1yq2whkB/wm WVy8KMVVESWRirq/RucDmN3/gHQcxrzgvjdEXSSgN71rEFlxyvDGFPkLszyn8sUn12zJ qzDzM9Df6Gw4MwdxngBesnDra67NTtbrSJHkEPO71223mxZ9220viKQIWWvSTMwu3spV +26Q== X-Gm-Message-State: AGi0Puafz1SByu3+/Dib2dqGubR2ZxcywoHxCCg2SbZUHOIFmph6zLLz 0iXCe/QcchO3W7KDGUIfieGC5Q== X-Google-Smtp-Source: APiQypK0hnwQefSAK9l6B4HhbysWyTvs3gPGYwKSuX/g42JrBKE0CexKbHC60H8OhhX/8RCvfFCfiA== X-Received: by 2002:a17:902:8e8b:: with SMTP id bg11mr5107800plb.139.1587671462576; Thu, 23 Apr 2020 12:51:02 -0700 (PDT) Received: from [2620:15c:17:3:3a5:23a7:5e32:4598] ([2620:15c:17:3:3a5:23a7:5e32:4598]) by smtp.gmail.com with ESMTPSA id nm22sm2961544pjb.38.2020.04.23.12.51.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2020 12:51:01 -0700 (PDT) Date: Thu, 23 Apr 2020 12:51:00 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: =?UTF-8?Q?Michal_Koutn=C3=BD?= cc: akpm@linux-foundation.org, Christoph Lameter , Pekka Enberg , Joonsoo Kim , mhocko@kernel.org, vbabka@suse.cz, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND] slub: Remove userspace notifier for cache add/remove In-Reply-To: <20200423115721.19821-1-mkoutny@suse.com> Message-ID: References: <20200423115721.19821-1-mkoutny@suse.com> User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="1482994552-405825474-1587671461=:248617" 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: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1482994552-405825474-1587671461=:248617 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Thu, 23 Apr 2020, Michal Koutn=C3=BD wrote: > From: Christoph Lameter >=20 > I came across some unnecessary uevents once again which reminded me > this. The patch seems to be lost in the leaves of the original > discussion [1], so resending. >=20 > [1] https://lore.kernel.org/r/alpine.DEB.2.21.2001281813130.745@www.lam= eter.com >=20 > 8<--- > Kmem caches are internal kernel structures so it is strange that > userspace notifiers would be needed. And I am not aware of any use > of these notifiers. These notifiers may just exist because in the > initial slub release the sysfs code was copied from another > subsystem. >=20 > Signed-off-by: Christoph Lameter > Acked-by: Vlastimil Babka > Acked-by: Michal Koutn=C3=BD Acked-by: David Rientjes --1482994552-405825474-1587671461=:248617--