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Sat, 30 Mar 2024 19:19:38 -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 19:19:36 -0700 From: To: , , , , , , , <42.hyeyoo@gmail.com> CC: , , Subject: [PATCH 1/4] mm/slub: remove the check of !kmem_cache_has_cpu_partial() Date: Sun, 31 Mar 2024 10:19:23 +0800 Message-ID: <20240331021926.2732572-2-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 X-Proofpoint-ORIG-GUID: 1uqYCL0NLvDL19Ws2dkU89gAZ7AjMDv1 X-Proofpoint-GUID: 1uqYCL0NLvDL19Ws2dkU89gAZ7AjMDv1 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 X-Rspamd-Queue-Id: 3F9B6C0019 X-Rspam-User: X-Stat-Signature: q9rx8bgar7n6sonn5sg5fyntfxeukgjy X-Rspamd-Server: rspam01 X-HE-Tag: 1711851600-777440 X-HE-Meta: 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 XW+s09Hi 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 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 The check of !kmem_cache_has_cpu_partial(s) with CONFIG_SLUB_CPU_PARTIAL enabled here is always false. We have known the result by calling kmem_cacke_debug(). Here we can remove it. Signed-off-by: Xiongwei Song --- mm/slub.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 1bb2a93cf7b6..059922044a4f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2610,8 +2610,7 @@ static struct slab *get_partial_node(struct kmem_cache *s, partial_slabs++; } #ifdef CONFIG_SLUB_CPU_PARTIAL - if (!kmem_cache_has_cpu_partial(s) - || partial_slabs > s->cpu_partial_slabs / 2) + if (partial_slabs > s->cpu_partial_slabs / 2) break; #else break;