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GET /api/patches/2232288/?format=api
{ "id": 2232288, "url": "http://patchwork.ozlabs.org/api/patches/2232288/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/91e4eb8e0d0b5a27e166eca59fd7750fe6e34036.1777877814.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": "<91e4eb8e0d0b5a27e166eca59fd7750fe6e34036.1777877814.git.sayalip@linux.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/91e4eb8e0d0b5a27e166eca59fd7750fe6e34036.1777877814.git.sayalip@linux.ibm.com/", "date": "2026-05-04T08:24:51", "name": "[v6,14/14] selftests/mm: clarify alternate unmapping in compaction_test", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "97e2061fb0152a922f77076e98dab734b59304c8", "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/91e4eb8e0d0b5a27e166eca59fd7750fe6e34036.1777877814.git.sayalip@linux.ibm.com/mbox/", "series": [ { "id": 502625, "url": "http://patchwork.ozlabs.org/api/series/502625/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502625", "date": "2026-05-04T08:24:37", "name": "selftests/mm: fix failures and robustness improvements", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/502625/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232288/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2232288/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20411-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=kT4sH3qD;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n 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bh=NcC4IMd/M46lcIebN\n\tKowLxjbupegKYGulhXVqQiEBho=; b=kT4sH3qDNqr9ym8uSr+D7AuOZV4svbNRC\n\tgDuNeglrVNlohx6N6XJ/nGY0/2ng62/4QowVGiuP0jfm2wIZIrsHIVjJ0sjgai1M\n\tPtcdYbtbtaGzo8cLcIOJ89LinMnV6lmXtrb947F+J0pr3cTkgqVZ7L7LvxxSM55N\n\ttQoWFpTi8Lq3cpY0L3rGb25x4/+oQB6Ery/UwhIa5X0pBNWfed8wF/6UiMOUlm7T\n\tNqgyhEwTvQPr4YxMY2Ok2RfLaL9X0uoypRGMt/7Fq6lM2CxiJ2GRsqgqYlI8xBg3\n\t77nRjNa4lm3xejiqpQoWPxvDAfpITQxcBj6HZzbR+vljj8/vMaPmg==", "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, Miaohe Lin <linmiaohe@huawei.com>,\n Venkat Rao Bagalkote <venkat88@linux.ibm.com>,\n Sayali Patil <sayalip@linux.ibm.com>", "Subject": "[PATCH v6 14/14] selftests/mm: clarify alternate unmapping in\n compaction_test", "Date": "Mon, 4 May 2026 13:54:51 +0530", "Message-ID": "\n <91e4eb8e0d0b5a27e166eca59fd7750fe6e34036.1777877814.git.sayalip@linux.ibm.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<cover.1777877814.git.sayalip@linux.ibm.com>", "References": "<cover.1777877814.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=XPQAjwhE c=1 sm=1 tr=0 ts=69f85817 cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=THlBPJCoSQ4NST9nLWYA:9", "X-Proofpoint-ORIG-GUID": "NLzTdpf4GZ06u0zeN4xQXz4pmJc3Vhf8", "X-Proofpoint-GUID": "XI43Xpx6JbIWOebeDXPu_gP1yG8Jtt__", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNTA0MDA4NyBTYWx0ZWRfXzeR7DZj7ckY4\n MVMDpR5ydZDuHjf1v2HKAR8lDUstiZJHgEQlpV0s0S008AbqZ1dzzXfN6+3CuclWl2lP3nEiYgn\n KuXJarWcVIckkLiufJZzW0pWLJko/pGkdIvfWwCiX3Ft4cvGrMMfKW7c1Yu4a8tOxAsNbJqk6f9\n 2upAvtcmhJslkHXt6ElfhA/OtCtMxl6t2ma1CT/rHyZHp9b5bGjrIy42eQLrKwIClpo4u018gmg\n 9azKG1A0qHNde/uL/yHUltBYVNWdVmJjp98Laxpgg//BE6ARTBo0rMKu1lURZBjB0Razeip/9Gq\n HhYv2H62eJtdGPlty125BeqO3N3Uw9j4ot3MhveEW72QFdijhe6qOT/tGpmymCoQa/jHXby9470\n 8qyyE43eNOXXWozoznJw9r0o6iju+9vFW7jfrxVwQNKcRMSzmmIF/QgsTObN+OxVXGCjmHwZf1Q\n oZW8KLCqUjaKjJn65Cg==", "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=2026-05-04_03,2026-04-30_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n bulkscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 spamscore=0\n priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 clxscore=1015\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605040087", "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": "Add a comment explaining that every other entry in the list is\nunmapped to intentionally create fragmentation with\nlocked pages before invoking check_compaction().\n\nFixes: bd67d5c15cc1 (\"Test compaction of mlocked memory\")\nTested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>\nSigned-off-by: Sayali Patil <sayalip@linux.ibm.com>\n---\n tools/testing/selftests/mm/compaction_test.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/selftests/mm/compaction_test.c\nindex 30209c40b697..e1610e2fbdf6 100644\n--- a/tools/testing/selftests/mm/compaction_test.c\n+++ b/tools/testing/selftests/mm/compaction_test.c\n@@ -261,6 +261,9 @@ int main(int argc, char **argv)\n \t\tmem_fragmentable_MB -= MAP_SIZE_MB;\n \t}\n \n+\t/* Unmap every other entry in the list to create fragmentation with\n+\t * locked pages before invoking check_compaction().\n+\t */\n \tfor (entry = list; entry != NULL; entry = entry->next) {\n \t\tmunmap(entry->map, MAP_SIZE);\n \t\tif (!entry->next)\n", "prefixes": [ "v6", "14/14" ] }