From nobody Tue Feb 10 03:37:18 2026 Received: from mx0a-0064b401.pphosted.com (mx0a-0064b401.pphosted.com [205.220.166.238]) (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 B826D613C for ; Sun, 31 Mar 2024 03:05:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.166.238 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711854308; cv=none; b=SIYoug9PQruq94kkK0uJW9SKrsQvW373/9o+ZnW/WOTVfjXpIPL7FxfQxG75lVkbYhwjLuMXKWnDSY/Wb3djhxpgcvBrYjBZWdPkuK4rfn7R+iT+RAPEkMC6G17+uiYwYdpfHIiZp8om3Oxp2uOP30zBI7T+H1xuWNMWWxdcJzM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711854308; c=relaxed/simple; bh=9asL1uGTADUAnVvJmQ3LOM4Kjgl5Ou5eedmWn7dJca8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mBdyTPR2sXkuCgTWIvF68JdOovv3GP3Z0wi9B10psykjnMrxoAiOlX05KCSE9AC71XEIqn/ctU9MLgCew8w54UnzE4pW4w56Mw9N+Dub7pFSqPoEv9sPCt8ts79nwDfoDMoAGJJb2jBJjeGMo1CZUnLCrBEqxrZ7Vu0czYljvqc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=windriver.com; spf=pass smtp.mailfrom=windriver.com; dkim=pass (2048-bit key) header.d=windriver.com header.i=@windriver.com header.b=fdSAbWLB; arc=none smtp.client-ip=205.220.166.238 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=windriver.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=windriver.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=windriver.com header.i=@windriver.com header.b="fdSAbWLB" Received: from pps.filterd (m0250810.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 42V2ErUC022442; Sat, 30 Mar 2024 19:19:50 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriver.com; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PPS06212021; bh=V/altOOb2D0h8LSKAVzpQh2XXjBbKxhhn3XS09HYYOI=; b= fdSAbWLBSS+chg9YVlYO/ndpwwt3aYThZnj5yegqrOhb0gx5vXUDkxIWMe9WbAzs hhWOsPLzs6BoptriCZSyWplzaJChIBv+c8+LeO/DqbHtBhLgzrJXaAfuYW/MDDzB dyf2zdyqosSdUGnfZjOpomBbPwlxotD0hRY5XAWsSZIlwSHDBPAErQdkl+i5umrX csDOzLjyAGGZbv1l7ZtzpsBr+BREaKPTDbrdqCnhxEGH5SZvtTnqPOkLepo+clNF jUj5r7nFhVD55nZaUzuz2qgEKEzRy6Re48QsagQxAKustc8RNHkKa4YAj/uoFyc3 /bkgFPzFGEWVV5XVq/XFKQ== Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.wrs.com [147.11.82.252]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 3x6e10gm3s-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Sat, 30 Mar 2024 19:19:50 -0700 (PDT) Received: from ala-exchng01.corp.ad.wrs.com (147.11.82.252) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37; Sat, 30 Mar 2024 19:19:48 -0700 Received: from pek-lpd-ccm5.wrs.com (147.11.1.11) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37 via Frontend Transport; Sat, 30 Mar 2024 19:19:45 -0700 From: To: , , , , , , , <42.hyeyoo@gmail.com> CC: , , Subject: [PATCH 4/4] mm/slub: don't read slab->cpu_partial_slabs directly Date: Sun, 31 Mar 2024 10:19:26 +0800 Message-ID: <20240331021926.2732572-5-xiongwei.song@windriver.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20240331021926.2732572-1-xiongwei.song@windriver.com> References: <20240331021926.2732572-1-xiongwei.song@windriver.com> 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 X-Proofpoint-ORIG-GUID: B21bMmEqcagipPqRJ5Q2eJLVqbbmONO5 X-Proofpoint-GUID: B21bMmEqcagipPqRJ5Q2eJLVqbbmONO5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-31_01,2024-03-28_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 mlxlogscore=920 malwarescore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403310017 Content-Type: text/plain; charset="utf-8" From: Xiongwei Song We can use slub_get_cpu_partial() to read cpu_partial_slabs. Signed-off-by: Xiongwei Song --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slub.c b/mm/slub.c index ec91c7435d4e..47ea06d6feae 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2966,7 +2966,7 @@ static void put_cpu_partial(struct kmem_cache *s, str= uct slab *slab, int drain) oldslab =3D this_cpu_read(s->cpu_slab->partial); =20 if (oldslab) { - if (drain && oldslab->slabs >=3D s->cpu_partial_slabs) { + if (drain && oldslab->slabs >=3D slub_get_cpu_partial(s)) { /* * Partial array is full. Move the existing set to the * per node partial list. Postpone the actual unfreezing --=20 2.27.0