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Fri, 26 Sep 2025 13:15:48 +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 3/4] s390/sclp: Remove MHP_OFFLINE_INACCESSIBLE Date: Fri, 26 Sep 2025 15:15:26 +0200 Message-ID: <20250926131527.3260733-4-sumanthk@linux.ibm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250926131527.3260733-1-sumanthk@linux.ibm.com> References: <20250926131527.3260733-1-sumanthk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: hN-2WtSxn6u81hiCYsJmqwsZzqsrdF5H X-Authority-Analysis: v=2.4 cv=LakxKzfi c=1 sm=1 tr=0 ts=68d69209 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=yJojWOMRYYMA:10 a=VnNF1IyMAAAA:8 a=f30ByJGsKnh_ESHQSg4A:9 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-GUID: hN-2WtSxn6u81hiCYsJmqwsZzqsrdF5H X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3NCBTYWx0ZWRfX/ptYI8Up3RKz ehXD+jkDZjRogvAlsPYmrMzoscb9zKvUFFS1FXnP1pd6hi5rYdlDaQJWaRUr0RgHhIK5yBqije0 uJQigGWv34T8A8mWXYT5iUJdMPwyjroeDo37g906ocBgpoTomVcpY3Tn9OoGT/jtdCzvizTRaf3 02Gw7Ek6HZ8L8b6BRlpQW/EwL8Ae/RCuIUeYGAD2rPdQa60bHuIJd5JYozvHEH4VvOLKsYup8TR qpundNvgS0nzGKGBpz0XHtD1ydyDMNZYjyx3f6lKO1QaKgGSDeDnSLxThXbroLejUvwEjL2w9Dg m4DXNrfXXU4X0lx8BCpSEYrysxZ3SGRwinEpnxl/tGVglZnLUpOVfuFukAp9K32ODv0VywLXt5j B4cys4jC4SA73y3TRl36M126XeOZ5g== 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=2025-09-26_04,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 bulkscore=0 adultscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 malwarescore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250174 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 6E248100016 X-Stat-Signature: 54od5gkhtr79i3ornqwtz31q4wseeaxj X-Rspam-User: X-HE-Tag: 1758892554-203243 X-HE-Meta: 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 MU2MKex7 xuWyzwg+wUOrg1mS9v8d5DSqTbqnLKeDsfvBD96lntq47GgSTsUuxYylairoLrXXdjl0IndaqwlbhXhi8tMaC/VEQQObD+VDpYm20FMQy4AzlzAvxzWv1z6nvboCqHWX/lILcvtsYnMto7fIZuBVXbfce/+mBAOWLRAkoPnoVArDPHedGjm4I6arAYWI/nOo32MHK4u0Q4M5DlLQ9LfcGvDTwaoQWu1w4DzFiQUixaUmEf39oTJK/QH5wPkeRJh1SPWvQdFmzNrw3B6sz0mOwV/Kf7xkCgkK7tpCq2wGFm0sU7PO4uTc6SjF9DBPkmaK5LLCxB/BT7pu0wn4= 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 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 802439230294..f49b8457e721 100644 --- a/drivers/s390/char/sclp_mem.c +++ b/drivers/s390/char/sclp_mem.c @@ -267,7 +267,7 @@ static ssize_t config_mblock_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, mblock->memmap_on_memory ? - MHP_MEMMAP_ON_MEMORY | MHP_OFFLINE_INACCESSIBLE : MHP_NONE); + MHP_MEMMAP_ON_MEMORY : MHP_NONE); if (rc) goto out_unlock; mem = find_memory_block(pfn_to_section_nr(PFN_DOWN(addr))); -- 2.48.1