From nobody Mon Feb 9 22:59:47 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 C5ABC40BE6 for ; Thu, 4 Apr 2024 06:00:00 +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=1712210402; cv=none; b=H3gD3Wzq0pKp6PNOAf8+S3cGN5gSjgjuJTeZbZ4X+TnFkB77PfbDzurGAgVlIXuZ9FbHbhA/9Gg/hHONZs2CObn+yatwRjZm/IOna8ZBZV2jxN8cwuy8wXp3jeO6I7ot/J2aL0FFXOZKE+YbB/kTbIjbi0p60n8XK0qUvsBQS90= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712210402; c=relaxed/simple; bh=z9cHZ/qfKgBMB6NKxBmf35xFA5LdAxKDMWY91reJmhg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mGoHr7NWwCfpgs3aOxs3vCtKVxvdqB20F11qFJXv1DrrxFC3u2L3BbnRP1czGUfHlaIcp+/uk5zqIBF0qm2wqv95zYgS2V8QDs6vqiVlHP1HGPWZTtMScEU/dsCdThpBXGRz8gw1F/dIpNEx7ulZBEAXzmyWfIgG+s/kVL2UCyE= 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=e/O+MMKQ; 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="e/O+MMKQ" Received: from pps.filterd (m0250809.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4345pec2024549; Wed, 3 Apr 2024 22:58:44 -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=avXvV/YgaEweVfIX+OYFhfHn6ohAwRQj390NbocEzvk=; b= e/O+MMKQ4iBkNhp30A38D+LdknJ4gBqYNPz8sDUWqB6Rt7Ukq5HH3fmmTXaeqOSW OQB+sARQ+ugqCvyKn17GpHsqlkSB269TWH0w8LqUddYYZUPMDZGrD3EwcRpe0zHG c0td1NXEPL/Tl2na7+mxm6qLC3a6tWz0INVuIzJHralP2JkvQvbpMnJBmGFaIGiA zG6mArk8PZpPMQOSMGcg/lpSvcENYbwOBr+hPFiQTTgQ7R+yxmsB9oWhB0+rLRru FXmHScMmWf50Bvk2IG/6ogQcxccQdW8jH1U+1QI+Rg5crZQzXxail6DXDj4Qop9x 7rU8L2+vFNNKcfCBp4pJVA== Received: from ala-exchng02.corp.ad.wrs.com (ala-exchng02.wrs.com [147.11.82.254]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 3x9en989ng-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 03 Apr 2024 22:58:43 -0700 (PDT) Received: from ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) by ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37; Wed, 3 Apr 2024 22:58:43 -0700 Received: from pek-lpd-ccm5.wrs.com (147.11.1.11) by ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37 via Frontend Transport; Wed, 3 Apr 2024 22:58:40 -0700 From: To: , , , , , , , <42.hyeyoo@gmail.com> CC: , , Subject: [PATCH v2 2/3] mm/slub: add slub_get_cpu_partial() helper Date: Thu, 4 Apr 2024 13:58:25 +0800 Message-ID: <20240404055826.1469415-3-xiongwei.song@windriver.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20240404055826.1469415-1-xiongwei.song@windriver.com> References: <20240404055826.1469415-1-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-GUID: pGdg9kS9SmD2FeZs-34uq8T6B03R4GKO X-Proofpoint-ORIG-GUID: pGdg9kS9SmD2FeZs-34uq8T6B03R4GKO 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=2024-04-04_02,2024-04-03_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 impostorscore=0 suspectscore=0 adultscore=0 malwarescore=0 mlxlogscore=929 lowpriorityscore=0 spamscore=0 phishscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404040037 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 help remove #ifdef of CONFIG_SLUB_CPU_PARTIAL and improve filling cpu partial logic. 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 2.34.1