From patchwork Wed Feb 1 15:08:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uladzislau Rezki X-Patchwork-Id: 13124558 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D3C2C63797 for ; Wed, 1 Feb 2023 15:10:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232605AbjBAPKc (ORCPT ); Wed, 1 Feb 2023 10:10:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232926AbjBAPJo (ORCPT ); Wed, 1 Feb 2023 10:09:44 -0500 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D10D66FAA; Wed, 1 Feb 2023 07:08:24 -0800 (PST) Received: by mail-ed1-x52c.google.com with SMTP id be12so6740712edb.4; Wed, 01 Feb 2023 07:08:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=v7t+jH47dutnrEewrpFYJCTIdzeIdrMXC7jVe2cYM1o=; b=axm8GclNe0TkydqMsP7WrJXjtkaTy5Us4zqhdTWmg2xnNAxQfkDMBXKZ21FQxDg7wq FxoE3ayhhjkVGUy//ctSzLPp9/7i90nBwEV3YVUJJ0WMFS5L6oS0suOeNLJeaVO6i2L1 s8s1dW3g8daDhCb1PYPRpk8S/774DEKn4IyUIiponWkVWmreuGMAosaw3IWCdhuPdVJ8 8SEmr6Njxvw8bB5KOqp0GY5Gf1rr39JDlnVXdQhY5fpbEobkXyahDU92E1S1lU+xpoNd 3O2/LiEs1exrkzevNNQX25oi7cq7VW5YiMd/AJcDfnHEF6LmMvNaI6AoTi/gRVb08UPH eGiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=v7t+jH47dutnrEewrpFYJCTIdzeIdrMXC7jVe2cYM1o=; b=NI9Ja2nuJ+5Tp+JCstwRgvTPLm6oTRrOpBn2JmE998ZfjHJdFIt8BWz4NZgWENpjE/ 4qHYAMtLrK5yKxJEfw5h7cvp21MM7hhr/MtIZvdrKJOsp0iVzrdAWCHx/HnsuwL5PM7t 4j1rWRf8NNMb854cnRav8G/BpLGomYo50OuysonC7oKXXnMmcRX85or6cGmUbIUeybE1 sn0ClclF2IWn1AFzqgdGknwx8sDpLTNNZxr/BVyd2UfgsMfmDLgIFCt3gvRD+g6ZaZ9P 9dMYTQ/NuaOCMAOikNGjKpMeNjuZL34dhcNUGmWzNMDjpw97DXffULUu+VELMi0x19tx InEw== X-Gm-Message-State: AO0yUKXoUGJPQARKOPL3OieET0t74kawstx8y6Vt0WMK66gldvCwQwm6 ByLLbcw1Uugpwa5+FIglVKox8v912bTJ/Q== X-Google-Smtp-Source: AK7set8jOPc1FL0gqkf6hHR27Gh0OOx6IwdNTQrshUFLPMLPWE9EiGyHm4LH0bpDVr19OM6AVWddRg== X-Received: by 2002:a05:6402:3488:b0:494:fae3:c0df with SMTP id v8-20020a056402348800b00494fae3c0dfmr2985034edc.12.1675264103466; Wed, 01 Feb 2023 07:08:23 -0800 (PST) Received: from pc638.lan ([155.137.26.201]) by smtp.gmail.com with ESMTPSA id qc26-20020a170906d8ba00b008787e94c5ccsm9585774ejb.184.2023.02.01.07.08.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Feb 2023 07:08:23 -0800 (PST) From: "Uladzislau Rezki (Sony)" To: LKML , RCU , "Paul E . McKenney" Cc: Uladzislau Rezki , Oleksiy Avramchenko , Jens Axboe , Philipp Reisner , Bryan Tan , Steven Rostedt , Eric Dumazet , Bob Pearson , Ariel Levkovich , Theodore Ts'o , Julian Anastasov , "David S . Miller" Subject: [PATCH 06/13] net/sysctl: Rename kvfree_rcu() to kvfree_rcu_mightsleep() Date: Wed, 1 Feb 2023 16:08:12 +0100 Message-Id: <20230201150815.409582-7-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230201150815.409582-1-urezki@gmail.com> References: <20230201150815.409582-1-urezki@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org The kvfree_rcu()'s single argument name is deprecated therefore rename it to kvfree_rcu_mightsleep() variant. The goal is explicitly underline that it is for sleepable contexts. Cc: Eric Dumazet Cc: David S. Miller Signed-off-by: Uladzislau Rezki (Sony) --- net/core/sysctl_net_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 5b1ce656baa1..a28562d4e468 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -101,7 +101,7 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write, if (orig_sock_table) { static_branch_dec(&rps_needed); static_branch_dec(&rfs_needed); - kvfree_rcu(orig_sock_table); + kvfree_rcu_mightsleep(orig_sock_table); } } } @@ -139,7 +139,7 @@ static int flow_limit_cpu_sysctl(struct ctl_table *table, int write, lockdep_is_held(&flow_limit_update_mutex)); if (cur && !cpumask_test_cpu(i, mask)) { RCU_INIT_POINTER(sd->flow_limit, NULL); - kfree_rcu(cur); + kfree_rcu_mightsleep(cur); } else if (!cur && cpumask_test_cpu(i, mask)) { cur = kzalloc_node(len, GFP_KERNEL, cpu_to_node(i));