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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 24490C10F12 for ; Wed, 17 Apr 2019 09:37:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D88702173C for ; Wed, 17 Apr 2019 09:37:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D88702173C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 756476B026B; Wed, 17 Apr 2019 05:37:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6DCD76B026C; Wed, 17 Apr 2019 05:37:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 57DA46B026D; Wed, 17 Apr 2019 05:37:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by kanga.kvack.org (Postfix) with ESMTP id 1A88B6B026B for ; Wed, 17 Apr 2019 05:37:11 -0400 (EDT) Received: by mail-wm1-f69.google.com with SMTP id h13so1903324wmb.6 for ; Wed, 17 Apr 2019 02:37:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:date:from:to :cc:subject:in-reply-to:message-id:references:user-agent :mime-version; bh=p3+WMJsX06hz3AZkgUwoaN8ttHZXOzN1uuAd9oTZKXA=; b=LxHwZeiJk8tKziVuQ83/KTa3eyMSRJkP5aZBx66m/3HkrQd8Aq+epcwyCVdrt38bM+ iPgdBPwObtPj7rP1DYK0y9wHu8zg0h11gGl+cd1uhtkdikPoiwR4SyMRk4Ps2lcGwpRd o13XeaJkza8KmliM5CjAElExVeIdsvUnTGEohS6UyK3QIbzPSfCK0UPOZaf/HmXMaIVt FU40DHiQdM9NEdf3awjUX2ILwnmJfwUi+ejf64t8MOmO0tRrL1YuBEnmJhz7LGRP9Rbp lebaKeTffW7b4HsZBHxIS8S/2rUXVGuHGiUFEwVreEg/8l8pF1JzqWzwsuey275gZBjH FnKw== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a01:7a0:2:106d:700::1 as permitted sender) smtp.mailfrom=tglx@linutronix.de X-Gm-Message-State: APjAAAVMVHe/8/gUsbbP5qDDAAuKeaqu2IUjIey4ZDO+nKRHcJG/OBFu cje0/dHMIjrFNxpynm2yDXAv46ndRgyDKQcGn/BdO3jjGsfsxq4L8NDy/jOYurGN9DPHz+Q1qjl C5r6C8jnM/kXNy4l85bKusWCadBVZKYyBEDbynxC8seuq/MW2J/qzOfR8zeWR0XrtiQ== X-Received: by 2002:adf:db10:: with SMTP id s16mr55962166wri.181.1555493830632; Wed, 17 Apr 2019 02:37:10 -0700 (PDT) X-Google-Smtp-Source: APXvYqz3pndiLgcJ7DKIrArnY0lysgSOb8cFXViNbzklGtyAwKj5bfSLTvHF3qTs92N3RiNd/QJ8 X-Received: by 2002:adf:db10:: with SMTP id s16mr55962113wri.181.1555493829884; Wed, 17 Apr 2019 02:37:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555493829; cv=none; d=google.com; s=arc-20160816; b=s5XzzxVLRpM8NrnqaQutq5VzYw7UHw25d+/z3d9rzsMfdF98d8uOsh7JoZr+eZSHhE jDrn/bmjstltdXNbWkxWPoqqnkSuzlJ0az29MELMt3iyYhDkYY06R8lJU/hGMTHiXCJZ wOJUhs6qjG5sRKAQQkxNOlHruv5JaW1OWZ3F3IknZd3sSlZprKYNArLc0ChgNCLQlBLO l4zW/ElYjfCi8mgZNCn9EszWOUudYGxmzXxoxsnhxIla2KvnwGT1Pu68IoJUkz2Oa713 8Oci/C64ZfdMJgy9BsUwbXsva/utsWNIVUMMDh25sVHCd9zK5heHTm4IkEPfvXT+j4f5 jGbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:message-id:in-reply-to:subject :cc:to:from:date; bh=p3+WMJsX06hz3AZkgUwoaN8ttHZXOzN1uuAd9oTZKXA=; b=Oor00mxlm1EJhWxsNkAQzvS8aqzM2XiRNkfN9q+T0AoS7DKhegfvivi1o8n50tkl/X 03xw1pYixhnSRMtI4ZOvp3O+gJEcsnXhw+WOFUVfoX0XV9OIenlpPlfLv3wa0hTZO5rm Ip58lUg0hZzGvqA4v08dsXmQLDX1sl0MVBO2yxF0f/UKwlUc1Q50AyVxqPrfLQ/fWLcj bq56B5H45aBJvdRnw7X/wJSuIgH9DTKtb5d36tW59HInyUyKkzGV6k/GKq6P3EK6ctmW sV1AFPZvVWrQ8F0cNi9I24NlOC8ry5jrZfC72dMcFIZ8Y8Nn/jXkwgAN5GpoCDnZxmb/ +jww== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a01:7a0:2:106d:700::1 as permitted sender) smtp.mailfrom=tglx@linutronix.de Received: from Galois.linutronix.de (Galois.linutronix.de. [2a01:7a0:2:106d:700::1]) by mx.google.com with ESMTPS id b12si31087158wrr.19.2019.04.17.02.37.09 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 17 Apr 2019 02:37:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a01:7a0:2:106d:700::1 as permitted sender) client-ip=2a01:7a0:2:106d:700::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a01:7a0:2:106d:700::1 as permitted sender) smtp.mailfrom=tglx@linutronix.de Received: from pd9ef12d2.dip0.t-ipconnect.de ([217.239.18.210] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hGgzx-0008Us-QF; Wed, 17 Apr 2019 11:36:58 +0200 Date: Wed, 17 Apr 2019 11:36:56 +0200 (CEST) From: Thomas Gleixner To: Qian Cai cc: akpm@linux-foundation.org, vbabka@suse.cz, luto@kernel.org, jpoimboe@redhat.com, sean.j.christopherson@intel.com, penberg@kernel.org, rientjes@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] slab: remove store_stackinfo() In-Reply-To: <20190416142258.18694-1-cai@lca.pw> Message-ID: References: <20190416142258.18694-1-cai@lca.pw> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 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: On Tue, 16 Apr 2019, Qian Cai wrote: > store_stackinfo() does not seem used in actual SLAB debugging. > Potentially, it could be added to check_poison_obj() to provide more > information, but this seems like an overkill due to the declining > popularity of the SLAB, so just remove it instead. > > Signed-off-by: Qian Cai Acked-by: Thomas Gleixner