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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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=aPD9aL9m c=1 sm=1 tr=0 ts=68f1e6cb cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=blH2SsOzjbYzLah_e6kA:9 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE2MDAxNyBTYWx0ZWRfX71Hxi5hkdkOZ zELZaRjOWAzJcA0cZZs5kRSJedzUK/mTXIUNqvu+4o1FPMVzza3LY+TCuIsMqnPOM6YSCWdF6/F MJcV7NKomvKqvvSUNswq+xZv3ObzhVHRbTjeUEfwHzfDTHNa0kFy6LVaOedt28f05UOWPoAKzDd LhV09Cb+kc3gNF43VuWXL9/I+9TmYVS6u8MkM4VbVfzg+kwHG7B5vcHwSfkI963eqwj07Kays4X kJQACi8BIusabiNV2oP7fhPpQ5nAF8sQIeoRYrJyltPQZcqsY5J5O88hra93m9Smm3ewzPb/oUg /0Z8YDN+nvo+dwKbc6SELVDxyURwDqYpFODyIEONdr/LdYSrRc5ArDwCYsHlk9TFpBMYawLuoeW wzpvFtxyza/E/gP0m3rEocPy8bMdDw== X-Proofpoint-ORIG-GUID: 7bNr_5sDDw-j7_PUF2GzTesR6J2NgARH X-Proofpoint-GUID: 7bNr_5sDDw-j7_PUF2GzTesR6J2NgARH 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 spamscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1011 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510160017 X-Stat-Signature: tnmxkg5b1mbfwaqf5stra9a3jw4hjaig X-Rspamd-Queue-Id: 3A79040007 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1760683724-352779 X-HE-Meta: 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 8XzlLwvI FurBRn1opbgVIJqKUAi7azVOd0/a1aaVx9aIZjfWR9vD8l2HeBJzJ1eo/Hqx50cKuOgwoNFxCEB3B1JqN1BrefLIOl0J9sSeu/sjCQno9rObTVBg3J1oaU6/PEDOfM5K4DQbrHtmMo25cEeSvs8pe0Bq3bwKfKuZh/BiaWp04AptQP7zzlRa1i8QJP9wfU2Opr6tyvEO+zMdt565vKG6whoy9CA+3Vj1NZ6gCRYyejzteyzhcuT/SlaiH+DorfQ36ug2G8dHdVoLzh88x4QN6k0T8qvlYtBwMw1eJ4EjVY0fpeLBEGpuGfDqtT6YqFoxqmD2985rZsqDGqUzak3XYZ4xbV644xWF91pHnj3x560tuZmtg7IHT0NRofwDkSmcDK+jA1xmTeGxAbINgFXd4K70fHUUYKB2WupBKor3ttKaHmm4= 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: 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 seq_file *m) memset(&sinfo, 0, sizeof(sinfo)); get_slabinfo(s, &sinfo); - 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); seq_printf(m, " : tunables %4u %4u %4u", sinfo.limit, sinfo.batchcount, sinfo.shared); -- 2.34.1