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Fri, 11 Dec 2020 15:01:58 +0000 (GMT) Received: from pomme.tlslab.ibm.com (unknown [9.145.156.139]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 11 Dec 2020 15:01:58 +0000 (GMT) From: Laurent Dufour To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, nathanl@linux.ibm.com, cheloha@linux.ibm.com Subject: [PATCH] mm/memory_hotplug: quieting offline operation Date: Fri, 11 Dec 2020 16:01:57 +0100 Message-Id: <20201211150157.91399-1-ldufour@linux.ibm.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2020-12-11_02:2020-12-11,2020-12-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 mlxlogscore=807 spamscore=0 priorityscore=1501 phishscore=0 mlxscore=0 adultscore=0 bulkscore=0 malwarescore=0 suspectscore=3 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012110095 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On PowerPC, when dymically removing memory from a system we can see in the console a lot of messages like this: [ 186.575389] Offlined Pages 4096 This message is displayed on each LMB (256MB) removed, which means that we removing 1TB of memory, this message is displayed 4096 times. Moving it to DEBUG to not flood the console. Signed-off-by: Laurent Dufour Acked-by: Michal Hocko --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index b44d4c7ba73b..c47a53a16782 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1587,7 +1587,7 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages) /* Mark all sections offline and remove free pages from the buddy. */ __offline_isolated_pages(start_pfn, end_pfn); - pr_info("Offlined Pages %ld\n", nr_pages); + pr_debug("Offlined Pages %ld\n", nr_pages); /* * The memory sections are marked offline, and the pageblock flags