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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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 X-Rspamd-Queue-Id: 21215140007 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: eur36qqtxjsp15zzqjocgx1zsbse88je X-HE-Tag: 1711851600-22429 X-HE-Meta: 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 bhWV+PWO qiUEgI31Ehwvs4UtRu3lpWOzRrbDZerRQpPgb0KOHeeX283JzcJ5V+kak/Sj6SZCv0fO1vByImXHIJrMy2NERG/EfjD0w3q+MqGA5P4apc9JatJYq6mhDhH+RCsYCFCXpNSO2Vs23FkwJmUne1/ugz408fW2MIDPwMkTMvhlcEyKhLWlC+BAWdlJUA6OCy8YWKilL X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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, struct slab *slab, int drain) oldslab = this_cpu_read(s->cpu_slab->partial); if (oldslab) { - if (drain && oldslab->slabs >= s->cpu_partial_slabs) { + if (drain && oldslab->slabs >= slub_get_cpu_partial(s)) { /* * Partial array is full. Move the existing set to the * per node partial list. Postpone the actual unfreezing -- 2.27.0