From nobody Wed Nov 27 07:30:28 2024 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B33FE14A4D1; Sun, 13 Oct 2024 20:18:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.134.164.104 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728850691; cv=none; b=cfefXfUzPXSZUdIu1v08fPgjfgh8GzDwJz6A7//49wrpkP30OsJgRFZf5xF0onffE3korKai47fG0lGyO5rtwF2rA6tUal5bemNzZqWiYsV8WG4e65670RsrjZ8NF+K+ho0ufaFYqAFAuz37ovKiKFFg7Zzm8vWxCqovNTJTlDE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728850691; c=relaxed/simple; bh=zDeSKBxm2z8O2RbPJ9sII8/fJpOe3if41TWqeXw6hJs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Rod4FUr0jE9ZUYCc1MwPQgcjiUHNTEExy1daQs6LPGuzerjTEvzL5dCpq7ljsUm9SSlLp9rHIzYa1hxOGpDHbLbQ3wsKjx3iLBk9p0Xydk/LyQhiQSBrfeeZSpHApCj/dbgUbOZnLWbm8kQzUc9kJAO2oGbNdT2lcFXVnOJvHwU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=inria.fr; spf=pass smtp.mailfrom=inria.fr; dkim=pass (1024-bit key) header.d=inria.fr header.i=@inria.fr header.b=kXPfAbHE; arc=none smtp.client-ip=192.134.164.104 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=inria.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=inria.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=inria.fr header.i=@inria.fr header.b="kXPfAbHE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=J1tYeT9VeCXpALXQ0bc1ciiw3Tk4RkmKTcpa+Vc2tJM=; b=kXPfAbHE9s/JEwRLLDQseG0jzQD4031m8cn79HtXCapqYMMDRcR2wMtp UgWJV+ZlOr5YNheV5bxu0aRjysYhcA3rxgAnXoresyTL84JnBBwHfKEJx nUr3JX5GTSn/YPGfE/XwHfGo+Y2jSUaM12teN+fwkXW+NJExFVBxEkIzS c=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Julia.Lawall@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="6.11,201,1725314400"; d="scan'208";a="98968277" Received: from i80.paris.inria.fr (HELO i80.paris.inria.fr.) ([128.93.90.48]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2024 22:17:58 +0200 From: Julia Lawall To: "David S. Miller" Cc: kernel-janitors@vger.kernel.org, vbabka@suse.cz, paulmck@kernel.org, David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/17] ipv4: replace call_rcu by kfree_rcu for simple kmem_cache_free callback Date: Sun, 13 Oct 2024 22:16:49 +0200 Message-Id: <20241013201704.49576-3-Julia.Lawall@inria.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20241013201704.49576-1-Julia.Lawall@inria.fr> References: <20241013201704.49576-1-Julia.Lawall@inria.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since SLOB was removed and since commit 6c6c47b063b5 ("mm, slab: call kvfree_rcu_barrier() from kmem_cache_d= estroy()"), it is not necessary to use call_rcu when the callback only performs kmem_cache_free. Use kfree_rcu() directly. The changes were made using Coccinelle. Signed-off-by: Julia Lawall Reviewed-by: Eric Dumazet --- net/ipv4/fib_trie.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 09e31757e96c..161f5526b86c 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -292,15 +292,9 @@ static const int inflate_threshold =3D 50; static const int halve_threshold_root =3D 15; static const int inflate_threshold_root =3D 30; =20 -static void __alias_free_mem(struct rcu_head *head) -{ - struct fib_alias *fa =3D container_of(head, struct fib_alias, rcu); - kmem_cache_free(fn_alias_kmem, fa); -} - static inline void alias_free_mem_rcu(struct fib_alias *fa) { - call_rcu(&fa->rcu, __alias_free_mem); + kfree_rcu(fa, rcu); } =20 #define TNODE_VMALLOC_MAX \