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GET /api/patches/2216782/?format=api
{ "id": 2216782, "url": "http://patchwork.ozlabs.org/api/patches/2216782/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com/", "date": "2026-03-27T07:15:57", "name": "[v3,03/13] selftests/mm: fix hugetlb pathname construction in hugetlb_reparenting_test.sh", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "5f40c2497a7193c1ae27dbe9ddfb88077e1435c7", "submitter": { "id": 92656, "url": "http://patchwork.ozlabs.org/api/people/92656/?format=api", "name": "Sayali Patil", "email": "sayalip@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com/mbox/", "series": [ { "id": 497700, "url": "http://patchwork.ozlabs.org/api/series/497700/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497700", "date": "2026-03-27T07:15:54", "name": "selftests/mm: fix failures and robustness improvements", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/497700/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216782/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216782/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18906-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=qOcpPHzH;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.ibm.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=qOcpPHzH; dkim-atps=neutral;\n spf=pass (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com;\n envelope-from=sayalip@linux.ibm.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=linux.ibm.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:in-reply-to:message-id\n\t:mime-version:references:subject:to; s=pp1; bh=TBOgR1l9moyFZt4Qt\n\tKx6pynWY1WrXZnmRZ9D9UZIMvA=; b=qOcpPHzH+o3e0onJgNuSY6rfdlaVSmmBs\n\tK20X9oi9kYFEGai2sXuzhMx5kDWn9+Pm769kFcRa1y94qQLwoviRP2xYbllz0sVl\n\tQgeEmvWGbzABgh2tP5X15LFrXL2lM9lJzrJXntdLwKTBdlBudo/1lU1vUP/ooL3E\n\tqkJ9SxECcvvCZgOyREEH3oJ2e9EZjdI0/FpYS46Cl0jNlmEg5vkD+RMm4QdRER1G\n\t4NesGH5U2cqBGAqotJUW0ipiLK+LLRbx3s+uqH5t1PfZ4eoFIDgHHM7u9VV5ANmb\n\tTKBs4itGO1qM7Ue3rUs7JVOqlJ1BGzgb2vITPnFHJY4DgFPlR9BVQ==", "From": "Sayali Patil <sayalip@linux.ibm.com>", "To": "Andrew Morton <akpm@linux-foundation.org>, Shuah Khan <shuah@kernel.org>,\n linux-mm@kvack.org, linux-kernel@vger.kernel.org,\n linux-kselftest@vger.kernel.org,\n Ritesh Harjani <ritesh.list@gmail.com>", "Cc": "David Hildenbrand <david@kernel.org>, Zi Yan <ziy@nvidia.com>,\n Michal Hocko <mhocko@kernel.org>, Oscar Salvador <osalvador@suse.de>,\n Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,\n Dev Jain <dev.jain@arm.com>, Liam.Howlett@oracle.com,\n linuxppc-dev@lists.ozlabs.org, Sayali Patil <sayalip@linux.ibm.com>,\n Venkat Rao Bagalkote <venkat88@linux.ibm.com>", "Subject": "[PATCH v3 03/13] selftests/mm: fix hugetlb pathname construction in\n hugetlb_reparenting_test.sh", "Date": "Fri, 27 Mar 2026 12:45:57 +0530", "Message-ID": "\n <05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<cover.1774591179.git.sayalip@linux.ibm.com>", "References": "<cover.1774591179.git.sayalip@linux.ibm.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Authority-Analysis": "v=2.4 cv=IqITsb/g c=1 sm=1 tr=0 ts=69c62f0c cx=c_pps\n a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17\n a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=uAbxVGIbfxUO_5tXvNgY:22 a=Ikd4Dj_1AAAA:8 a=VnNF1IyMAAAA:8\n a=FzkvBdHCBhmLUSHJBJ8A:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI3MDA1MyBTYWx0ZWRfXwqNqCoTDMWjI\n V/cDYptktXkfxpQrOGMsHHe5eiKQRe9KPyV0hfxIOGW/eaJWwujzyU+TsC3AnI3kNt3/xox1bEz\n RO1HA1yguOGniLXKNeTpwkKawakNtGFsZrLSH1hBQaYLvOoXITyk1uDCiQgWveNonrQJG/wPjms\n jgd2Qzx6PpNk7wRW9rxHDHjilEonsKSJkbANQht5N9mKPd4/xm1h0BVL4vqzP/P0Bv1kIIcvlkU\n 3l7UX9OUBIpEMyv9l8fpDAZOqZ/3MvwMdG6CyCstnIEqlSMD/fo31+IpV+7Qbpz3AET9meUmgzN\n Gw/hBH5drQequ8wv79DaLtCXUgVxN3BkR/jHCxkSA1rqTAAgcx3o09+zTJYLi923cJop6GHnzW+\n 7z5ajzPMQZJN56W+CFGOch+pq0tHF9GhUPdCPpq3w8dGY5wxGrC9sDJ9RIZSbW+2Wn9HoiXLoW9\n ydGYWXGxCHglFCeO1/A==", "X-Proofpoint-GUID": "dhmQA_ssikxSnGk83UShumqltiWBxoez", "X-Proofpoint-ORIG-GUID": "Q6rcQmFkzW8eNl5Ajow8T3DjL16loKtD", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-03-26_04,2026-03-26_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n malwarescore=0 clxscore=1015 spamscore=0 impostorscore=0 suspectscore=0\n phishscore=0 bulkscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603270053", "X-Spam-Status": "No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "The hugetlb_reparenting_test.sh script constructs hugetlb cgroup\nmemory interface file names based on the configured huge page size. The\nscript formats the size only in MB units, which causes mismatches on\nsystems using larger huge pages where the kernel exposes normalized\nunits (e.g. \"1GB\" instead of \"1024MB\").\n\nAs a result, the test fails to locate the corresponding cgroup files\nwhen 1GB huge pages are configured.\n\nUpdate the script to detect the huge page size and select the\nappropriate unit (MB or GB) so that the constructed paths match the\nkernel's hugetlb controller naming.\n\nAlso print an explicit \"Fail\" message when a test failure occurs to\nimprove result visibility.\n\nFixes: e487a5d513cb (\"selftest/mm: make hugetlb_reparenting_test tolerant to async reparenting\")\nReviewed-by: Zi Yan <ziy@nvidia.com>\nTested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>\nSigned-off-by: Sayali Patil <sayalip@linux.ibm.com>\n---\n .../selftests/mm/hugetlb_reparenting_test.sh | 14 ++++++++++++--\n 1 file changed, 12 insertions(+), 2 deletions(-)", "diff": "diff --git a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\nindex 0dd31892ff67..073a71fa36b4 100755\n--- a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\n+++ b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\n@@ -46,6 +46,13 @@ function get_machine_hugepage_size() {\n }\n \n MB=$(get_machine_hugepage_size)\n+if (( MB >= 1024 )); then\n+ UNIT=\"GB\"\n+ MB_DISPLAY=$((MB / 1024))\n+else\n+ UNIT=\"MB\"\n+ MB_DISPLAY=$MB\n+fi\n \n function cleanup() {\n echo cleanup\n@@ -87,6 +94,7 @@ function assert_with_retry() {\n if [[ $elapsed -ge $timeout ]]; then\n echo \"actual = $((${actual%% *} / 1024 / 1024)) MB\"\n echo \"expected = $((${expected%% *} / 1024 / 1024)) MB\"\n+ echo FAIL\n cleanup\n exit 1\n fi\n@@ -107,11 +115,13 @@ function assert_state() {\n fi\n \n assert_with_retry \"$CGROUP_ROOT/a/memory.$usage_file\" \"$expected_a\"\n- assert_with_retry \"$CGROUP_ROOT/a/hugetlb.${MB}MB.$usage_file\" \"$expected_a_hugetlb\"\n+ assert_with_retry \\\n+\t \"$CGROUP_ROOT/a/hugetlb.${MB_DISPLAY}${UNIT}.$usage_file\" \"$expected_a_hugetlb\"\n \n if [[ -n \"$expected_b\" && -n \"$expected_b_hugetlb\" ]]; then\n assert_with_retry \"$CGROUP_ROOT/a/b/memory.$usage_file\" \"$expected_b\"\n- assert_with_retry \"$CGROUP_ROOT/a/b/hugetlb.${MB}MB.$usage_file\" \"$expected_b_hugetlb\"\n+ assert_with_retry \\\n+\t \"$CGROUP_ROOT/a/b/hugetlb.${MB_DISPLAY}${UNIT}.$usage_file\" \"$expected_b_hugetlb\"\n fi\n }\n \n", "prefixes": [ "v3", "03/13" ] }