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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id x26-20020a656aba000000b005b5c68e2c92si6577760pgu.371.2023.10.23.09.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Oct 2023 09:22:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=L5HCq7NN; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id A4142809871A; Mon, 23 Oct 2023 09:22:49 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230329AbjJWQWr (ORCPT + 99 others); Mon, 23 Oct 2023 12:22:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230171AbjJWQWq (ORCPT ); Mon, 23 Oct 2023 12:22:46 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CA8783 for ; Mon, 23 Oct 2023 09:22:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=OAWjUgVOZUJBsRmzt0lQvrsTEHJrJSHEJguU/ywRNhk=; b=L5HCq7NNjOMdEusQ7GlzvOE8Xi H/lVrBbYxsVVBZuSXVt5DKHMAW/sj7ojqfB+OHF+TWsf/hQPbJMIdBwDkyk+LhG5KwOmoWGpeCjZ5 ogRSsXnZUJkcAKy7tc4s2dKmB+/qHYBvadm0yTs7RCJKeN6wYNj/9zAetlDGscx+/R0T6s8Wa4iAu uUGsBrsrvXPEtffH4z11dgZhe5lZtsJlDhK4P0BKrS8oDHqXJOPgQdWRKa4dml6rzdOg84qyji2nq 178rUeKR+uV9Pz6zXQKVOsiepDj+NKF6zEvXceGDqSINaPr3kKl7Rt5WA5KL2Kkqz3xL1tn9Mda3w q7+gaaaA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1quxgr-00Enmq-PL; Mon, 23 Oct 2023 16:22:05 +0000 Date: Mon, 23 Oct 2023 17:22:05 +0100 From: Matthew Wilcox To: chengming.zhou@linux.dev Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, vbabka@suse.cz, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, pcc@google.com, tytso@mit.edu, maz@kernel.org, ruansy.fnst@fujitsu.com, vishal.moola@gmail.com, lrh2000@pku.edu.cn, hughd@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Chengming Zhou Subject: Re: [RFC PATCH v2 1/6] slub: Keep track of whether slub is on the per-node partial list Message-ID: References: <20231021144317.3400916-1-chengming.zhou@linux.dev> <20231021144317.3400916-2-chengming.zhou@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 23 Oct 2023 09:22:49 -0700 (PDT) On Mon, Oct 23, 2023 at 01:32:27PM +0100, Matthew Wilcox wrote: > _Assuming_ that it's safe to use the non-atomic flag setting, I'd > rather see this done as ... > > static inline void slab_set_node_partial(struct slab *slab) > { > __folio_set_workingset(slab_folio(slab)); Ugh, I meant to delete this line. I meant to just write the next line. > __set_bit(PG_workingset, folio_flags(slab_folio(slab), 0)); > }