From nobody Mon Feb 9 22:19:19 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 1680E611B for ; Sun, 31 Mar 2024 03:05:04 +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=1711854306; cv=none; b=XC6jv7vteRZwCwf2SUWKdqV7Lpzv7dQdrnunih8ChX3uy8GfluruD7ESKa18HbOhT+nfJrc3u3R8j9VR01EjCoosyCvLubuDhpGZ+pqpvFh8iPPffOYyeTgKuxQiMftllOBxB/Kko08k8/srusLLjMFWhwuNfYa1wWkWwRMKGWM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711854306; c=relaxed/simple; bh=fwLFyQuSH1gL8p6WaXgbRYKSM1p4Sx+SaEHfEfPX4XI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=c6vvdGMFi8bbw75kx1vexXCpwgfOdS2F1bWYVZSQ5AqANvqOY/b0JYSJAsjhAuZ9SrlsCFm7M64jTZ226KsIe0z9M4e7Pza1aGFybFmkHzlNis4caMf7f0rX5u/n9I2J1v3ngdbGagcg/u/wCKH1+uzNsnhuu1FgI30ZIz4R/Qo= 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=evi5XKC2; 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="evi5XKC2" 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 42V2ErUA022442; Sat, 30 Mar 2024 19:19:49 -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=6dTBj4eAePEk7EZjLkudl8wd/noflYo3XXpEzzrtWEQ=; b= evi5XKC23wD3nJcSTkMWrx+SEmKoxdC2+aHFehlWCsfxi7BG+pEc3+q9cw/brZDR l5t5ys3LgGnS7AjW4EBPojNbp6WbR2zztVQm+nOUzi9D3DtmM+AoC2XXYoW45aYN SD1fWkXiJGi5csyth6AzoWWR0R8SjIOUXouqUSY9TCy54RplOT2noUEPfAsQhl66 JxYYGoCdFS9GsHAfx3j5vhtWdTT16k345tlgQN1aQ2EeFDRQAASJ9Bodm8feRzlB 4igfZd1Ewyz0blMOSyQfhMM0B6+IAHGxpkCw9Eb5fb75wC9mBLrvDk9ThWWb6yBK Dg2oJqVM6YUvJ/ilz2zXow== 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-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Sat, 30 Mar 2024 19:19:49 -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 19:19:41 -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 19:19:39 -0700 From: To: , , , , , , , <42.hyeyoo@gmail.com> CC: , , Subject: [PATCH 2/4] mm/slub: add slub_get_cpu_partial() helper Date: Sun, 31 Mar 2024 10:19:24 +0800 Message-ID: <20240331021926.2732572-3-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: OyBtIUl3wnHYanDd12DLcgj5PDGeGo_z X-Proofpoint-GUID: OyBtIUl3wnHYanDd12DLcgj5PDGeGo_z 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=999 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 Add slub_get_cpu_partial() and dummy function to help improve get_partial_node(). It can prevent compile error when accessing cpu_partial_slabs with CONFIG_SLUB_CPU_PARTIAL disabled. Signed-off-by: Xiongwei Song --- mm/slub.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mm/slub.c b/mm/slub.c index 059922044a4f..590cc953895d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -604,11 +604,21 @@ static void slub_set_cpu_partial(struct kmem_cache *s= , unsigned int nr_objects) nr_slabs =3D DIV_ROUND_UP(nr_objects * 2, oo_objects(s->oo)); s->cpu_partial_slabs =3D nr_slabs; } + +static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s) +{ + return s->cpu_partial_slabs; +} #else static inline void slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects) { } + +static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s) +{ + return 0; +} #endif /* CONFIG_SLUB_CPU_PARTIAL */ =20 /* --=20 2.27.0