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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33bd7b3177asm1665151a91.13.2025.10.16.23.48.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Oct 2025 23:48:41 -0700 (PDT) From: Kassey Li To: vbabka@suse.cz, akpm@linux-foundation.org, cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, harry.yoo@oracle.com, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, kassey.li@oss.qualcomm.com Subject: [PATCH] slab: add flags in cache_show Date: Thu, 16 Oct 2025 23:48:39 -0700 Message-Id: <20251017064839.585204-1-kassey.li@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 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: DFOnkt99-Gty5xFZqJaOFTNtcNcypagw X-Authority-Analysis: v=2.4 cv=e5MLiKp/ c=1 sm=1 tr=0 ts=68f1e6cb cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=blH2SsOzjbYzLah_e6kA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE0MDEzNCBTYWx0ZWRfX8rMJEuBnyGAm gM0J+K9q7OyZ5X4j+VRERHBeeGHvYyfyMrZKR6VxpiflQpVUuUz5Y8xPQNrTqIUnyz8c1U1Hqki ipx5p89KY1whHJGdMJRjOP8/ZR9r6SnHwKem7OQKfIxgG4aDrXjq8H9JhQXPJZAMzsAdjEYXe/R FRMSe533ok+52rE02HkXqSCv6IRBJ1YVSyr3KJqlcnZBCuCIrxFRon9YRxRU/FYi/jrxKP1X927 4whBw2zBzTQwnECl/pz0Zc5a0gdVurf2Adq/kr0JTTCWeUr6nUNsIhBQUPUbaFh8cmftuTDb6jb DaIP2jLZrU7GbNmHkyXD/gbSpClPD/G9amqeuwjuAItVsE2/RbVSE+9N1eSCtE9tqgUo3vNk0qR 1vexUQOcF3XCsMa1+9e84VKRsX3E1w== X-Proofpoint-ORIG-GUID: DFOnkt99-Gty5xFZqJaOFTNtcNcypagw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-17_03,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1011 priorityscore=1501 impostorscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510140134 Content-Type: text/plain; charset="utf-8" Flags info is useful to check the slab type. for example, _SLAB_RECLAIM_ACCOUNT: 0x50100 _SLAB_PANIC _SLAB_RECLAIM_ACCOUNT _SLAB_CMPXCHG_DOUBLE Signed-off-by: Kassey Li --- mm/slab_common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index 932d13ada36c..f43239211e69 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1083,7 +1083,7 @@ static void print_slabinfo_header(struct seq_file *m) * without _too_ many complaints. */ seq_puts(m, "slabinfo - version: 2.1\n"); - seq_puts(m, "# name "); + seq_puts(m, "# name "); seq_puts(m, " : tunables "); seq_puts(m, " : slabdata "); seq_putc(m, '\n'); @@ -1112,9 +1112,9 @@ static void cache_show(struct kmem_cache *s, struct s= eq_file *m) memset(&sinfo, 0, sizeof(sinfo)); get_slabinfo(s, &sinfo); =20 - seq_printf(m, "%-17s %6lu %6lu %6u %4u %4d", + seq_printf(m, "%-17s %6lu %6lu %6u %4u %4d 0x%-8x", s->name, sinfo.active_objs, sinfo.num_objs, s->size, - sinfo.objects_per_slab, (1 << sinfo.cache_order)); + sinfo.objects_per_slab, (1 << sinfo.cache_order), s->flags); =20 seq_printf(m, " : tunables %4u %4u %4u", sinfo.limit, sinfo.batchcount, sinfo.shared); --=20 2.34.1