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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85673C77B61 for ; Thu, 13 Apr 2023 07:41:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DC3A76B0072; Thu, 13 Apr 2023 03:41:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D4D996B0074; Thu, 13 Apr 2023 03:41:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C13196B0075; Thu, 13 Apr 2023 03:41:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A1D8B6B0072 for ; Thu, 13 Apr 2023 03:41:02 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 3E4D71601FE for ; Thu, 13 Apr 2023 07:41:02 +0000 (UTC) X-FDA: 80675571564.09.B05A2F5 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) by imf09.hostedemail.com (Postfix) with ESMTP id F2E4F14000E for ; Thu, 13 Apr 2023 07:40:58 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=iTTZpWHu; spf=none (imf09.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.92.199) smtp.mailfrom=peterz@infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1681371659; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Wgu8SC6bQOX86fAFA8WPb+pb3Lh3VAdvUHY7nuqb8uI=; b=Ec9psDNgmU/UwPFnB2cR4OcH+3SwdAW7MFzqfCQU45GFtnUsna63m+z1VNGx4kGZGXHrKe J9RWSy0wj95m5WGuh3Ge3PnvWxWvujYbPV4wMMGtn4w9TEY+QsQHn+Qjyic/KYpBEnAUv8 xGMUp2EkQItEqMInDMLY6gNTRzP+t0w= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=iTTZpWHu; spf=none (imf09.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.92.199) smtp.mailfrom=peterz@infradead.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1681371659; a=rsa-sha256; cv=none; b=CSRwPjtB/5BcPNBZfVqYcHsL+3qii9mdNkxART/6wyPlXoIqvilq+SNJsV3X6aDzS7znfV wVq4HUUjtb6N1da4LE4d2H+OmzFJwQEm4NTeorfrvvNA1hUPlppvRoOkk2Lzd3iFi9jZfz P2gkb3CiyTeiJ7t5BKsTscWXTirSGRM= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Wgu8SC6bQOX86fAFA8WPb+pb3Lh3VAdvUHY7nuqb8uI=; b=iTTZpWHukh1hynD3dVUy7qrd2n RiK+81ZR0IxagRpGjzoDpV+yIvoT6kvdz2PPrAIOTK/OsT7eKkBrdczG6Bsv+xH3fjaeF50Lg/Pnt V0NA1zxP06HCglfk89PU2H9IVMlK7iOeVqI6DO9zJqqAytNfM1jIezxVMXC7RoUH0QmefDcTd3EhH c4hztxKdfjCTLtaBexda4kgP0SOGTr/zowETPgerkdjU8qzQSlqaNDcVjE03Fuw1j+VrNgmZWt10F o0FYu5cW+9q0/SN0LPW+CqPWk8LIKRFfKhIylXFLe2oBmdXxpPUu+Vsn3KxxxcgR6+INDMPBXl/fu uuOaXzgg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pmrZ3-00EfG0-2q; Thu, 13 Apr 2023 07:40:18 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 2D8CB3001E4; Thu, 13 Apr 2023 09:40:13 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id C20AF20D0CF59; Thu, 13 Apr 2023 09:40:13 +0200 (CEST) Date: Thu, 13 Apr 2023 09:40:13 +0200 From: Peter Zijlstra To: Qi Zheng Cc: Vlastimil Babka , "Zhang, Qiang1" , Boqun Feng , "42.hyeyoo@gmail.com" <42.hyeyoo@gmail.com>, "akpm@linux-foundation.org" , "roman.gushchin@linux.dev" , "iamjoonsoo.kim@lge.com" , "rientjes@google.com" , "penberg@kernel.org" , "cl@linux.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Zhao Gongyi , Sebastian Andrzej Siewior , Thomas Gleixner , RCU , "Paul E . McKenney" Subject: Re: [PATCH] mm: slub: annotate kmem_cache_node->list_lock as raw_spinlock Message-ID: <20230413074013.GD4253@hirez.programming.kicks-ass.net> References: <20230411130854.46795-1-zhengqi.arch@bytedance.com> <932bf921-a076-e166-4f95-1adb24d544cf@bytedance.com> <20230412124735.GE628377@hirez.programming.kicks-ass.net> <76e15f10-d3f1-2cab-63cb-25aa3b4f2cd4@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <76e15f10-d3f1-2cab-63cb-25aa3b4f2cd4@bytedance.com> X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: F2E4F14000E X-Stat-Signature: 1mpmkqzzdu8t3th8tunnuoitcec3dr7b X-HE-Tag: 1681371658-195534 X-HE-Meta: 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 6K4WoWoA RuH5ui5TpU6xGJ+e52CKDNXA1DPM9ZmSHzaxMS5I6UN6W9NL8PPYMm/6x+De+/potU3ktVZaNCtQsnJgrsKmN9g9PLgpQJRc12J2m5hk5kVkhHaF9Ur8Ohqqfvd2h2oHtrx88OSCUYk4Nzl5RY1/QNGNXnkYJgghA93gAL0UQtEgeaTDR0gZJiNeSBRbXdpoc7tncqK9reBKISGRV4WTWY2Pd+YmmhVQXeEjVMbGwxcnH9XgeWarWeZsqNsnRCTUM0dm/FCkwjmg8zD4j/DJI0lC/2tokjKOLOBI2u5UK7k9n7xyvOQKgTeRswGQLKIZeVDth 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 Thu, Apr 13, 2023 at 12:44:42AM +0800, Qi Zheng wrote: > > Something like the completely untested below might be of help.. > I just tested the above code, and then got the following > warning: > > It seems that the LD_WAIT_SLEEP we set is already greater than the > LD_WAIT_SPIN of the current context. Yeah, I'm an idiot and got it wrong.. I'll try again later if I manage to wake up today :-)