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Fri, 30 Oct 2026 10:33:42 +0000 (GMT) Received: from li-49acbccc-2994-11b2-a85c-d51b89e344f1.ibm.com.com (unknown [9.43.39.23]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 30 Oct 2026 10:33:42 +0000 (GMT) From: Pavithra To: songmuchun@bytedance.com Cc: akpm@linux-foundation.org, alison.schofield@intel.com, dave.jiang@intel.com, djbw@kernel.org, joao.m.martins@oracle.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, muchun.song@linux.dev, nvdimm@lists.linux.dev, ritesh.list@gmail.com, stable@vger.kernel.org, pavrampu@linux.ibm.com, vishal.l.verma@intel.com Subject: Re: [PATCH] dax/pmem: fix unaligned compound devmap initialization Date: Fri, 30 Oct 2026 16:03:39 +0530 Message-ID: <20261030103339.414145-1-pavrampu@linux.ibm.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261016054914.2601510-1-songmuchun@bytedance.com> References: <20261016054914.2601510-1-songmuchun@bytedance.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: YsSLdPEumXKLleFEXkBsi-1wjpQCQNXu X-Proofpoint-GUID: eyhc_jbcvH2WBCbuDro4qt9ghJLhkYSS X-Authority-Analysis: v=2.4 cv=JIyuIMKb c=1 sm=1 tr=0 ts=6ae4728c cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=Uv9NjG45AAAA:20 a=VnNF1IyMAAAA:8 a=8zS9G5xvJLahJeJr1kgA:9 a=zgiPjhLxNE0A:10 a=bA3UWDv6hWIuX7UZL3qL:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDMwMDA0MCBTYWx0ZWRfX9DPHAg0iuUip YbcZXvCuK98/L67BDNHKlH6XV7TETkJ3Nnjrrqdvu1s4uFudOBNmUCWyA9TltdpsxNvh4iE1xiv 6/d08oj40y69sNO0jDXzSi19HQAumgK2do2kR6Ymfh3I6Pq3VeGDKlQwvZ5Tn6xQN2JfBgxmPKg gpOBVTQl7xA3HvFuaPp3FxOwr/YBs3BIjFF2JXHUG+1BLXo5BsjnmjVqXYVMLR8SuwROkUHleSy NNC/mavzliBBOGO271rt11x/E9fHz809g7r0n089UAAxz4D7D0MyehSpHF00XuFeXmRzgHzXlFt sxP6GYFK2JACTY864iTEJy2rts9/8sx+9YcvXJ1WOn2JLpyQs0OHME7XtE43+ey/bJyW8jDPPbo MY+z8gyQ94xri8HViFfQ1r0u6FVK+2hQqyYKlWE4A6vodh2rrhGObSXfY37VzVVIjeQlSuvoqxB BHseTtgAEGNhyJoPgNw== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDMwMDA0MCBTYWx0ZWRfXyGR3abNVAIKN MZ16cExgbEasvN0Zd5nRwWQOiDUCSoBXq0+1u+CBiYfMwE6UGSOljtCY0H+hXWfpworyMg/Y6Zf maQcQyif3oUbvXyoncEzppWmvX4lu08= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-30_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 clxscore=1011 impostorscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610300040 Tested on Power10 (ppc64le) Test configurations validated: Page sizes : 4K, 64K, 2MB hugepage, 1GB hugepage Test suites run: - libhugetlbfs test suite - LTP hugetlb tests - mm selftests (tools/testing/selftests/mm) - ndctl test suite via avocado (--map=mem and --map=dev, 2MB and 1GB alignment) https://github.com/avocado-framework-tests/avocado-misc-tests/blob/master/memory/ndctl.py - HTX mdt.pmem_all - Memory savings validation with 1GB alignment - Hash mode basic pmem tests No issues observed. Thanks for the patches. Tested-by: Pavithra Prakash