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Thu, 9 Oct 2025 13:18:55 +0000 (GMT) From: Sumanth Korikkar To: Andrew Morton , David Hildenbrand , linux-mm Cc: LKML , linux-s390 , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Sumanth Korikkar Subject: [PATCH v2 3/4] s390/sclp: Remove MHP_OFFLINE_INACCESSIBLE Date: Thu, 9 Oct 2025 15:18:38 +0200 Message-ID: <20251009131839.3739108-4-sumanthk@linux.ibm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251009131839.3739108-1-sumanthk@linux.ibm.com> References: <20251009131839.3739108-1-sumanthk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=NsDcssdJ c=1 sm=1 tr=0 ts=68e7b645 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=x6icFKpwvdMA:10 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=f30ByJGsKnh_ESHQSg4A:9 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-GUID: Cb34PJeDiPm_thVi2hrKDmHPOp5HSuy7 X-Proofpoint-ORIG-GUID: Cb34PJeDiPm_thVi2hrKDmHPOp5HSuy7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA4MDEyMSBTYWx0ZWRfX5tN/NaJQdW4q 0iwOvGH9gjQgfrNc390230OS8GSU/KCyVhDv+j+t/wpYOJ+R00bF2bdXjTlBCy/EJ39+1y+vFBa imNg2eJlswvknDznm/Kp45lptp9oK9pgDU9CnSLEE9i9hOq3YF0PsIuCr0iXwGTYFlgMWjlIbeg XrBRVmtL9EpdzxVvmUOny/K1S/1O9dziqZIMmeibkodseG/8b3keUF51wCL4a5fi9BeyTqltl4G OylClrDJalGkDe93SUfjwu7AIzEyvlvIZlkXElZzECSla+6FF4K10vY9dLUcxR6aXwfXYEbnIjx rza1ToJ7ISdc2wuUEgeePieO0HqsVvXQ/QhhZmzpos58sL4FHhmOvpFMlr6bSRrZuunR8zJgIHF jSqb8zMY84+sprtx1yyLXZZYBgT7GA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-09_04,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 adultscore=0 phishscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 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-2510080121 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: C2FBF40011 X-Stat-Signature: kjfgn791kfqsojxohpa6akhf1ht8hkge X-Rspam-User: X-HE-Tag: 1760015942-111346 X-HE-Meta: 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 v5pWaK29 N0WqJqe/PjB6BGcqWJ1D6on6tRUf11C7tKNVVxn71V2ETPdb/IOOkwufUfdJUQ0A34fDIO9g0Uwwib0PMKR77ipCLa5tPuNCvsWIUMGq4l4pvqraIhX/agD74dOC1XRAXzJEg6BQRALQ3UeSpaUIvx7s/s6nUoBhQS9guqWKfkIJ3/wvqy3fL7vxWPOiewOdMFjhMM6c2eysbrwrCZPouNsRaTi97bm01s1Y3g5eBzwhDrdUEmuMnd+S2cUWTlISHHhxct1ArsH3o/S8= 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: mhp_flag MHP_OFFLINE_INACCESSIBLE was used to mark memory as not accessible until memory hotplug online phase begins. Earlier, standby memory blocks were added upfront during boottime and MHP_OFFLINE_INACCESSIBLE flag avoided page_init_poison() on memmap during mhp addtion phase. However with dynamic runtime configuration of memory, standby memory can be brought to accessible state before performing add_memory(). Hence, remove MHP_OFFLINE_INACCESSIBLE. Acked-by: Heiko Carstens Reviewed-by: David Hildenbrand Signed-off-by: Sumanth Korikkar --- drivers/s390/char/sclp_mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/char/sclp_mem.c b/drivers/s390/char/sclp_mem.c index e1302b1c98ac..0f8c0a4dbdd3 100644 --- a/drivers/s390/char/sclp_mem.c +++ b/drivers/s390/char/sclp_mem.c @@ -224,7 +224,7 @@ static ssize_t config_sclp_mem_store(struct kobject *kobj, struct kobj_attribute __arch_set_page_nodat((void *)__va(addr), block_size >> PAGE_SHIFT); rc = __add_memory(0, addr, block_size, sclp_mem->memmap_on_memory ? - MHP_MEMMAP_ON_MEMORY | MHP_OFFLINE_INACCESSIBLE : MHP_NONE); + MHP_MEMMAP_ON_MEMORY : MHP_NONE); if (rc) { sclp_mem_change_state(addr, block_size, 0); goto out_unlock; -- 2.48.1