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Wed, 7 Jan 2026 10:22:04 +0800 (CST) Received: from kwepemk100009.china.huawei.com (unknown [7.202.194.57]) by mail.maildlp.com (Postfix) with ESMTPS id AB7874056A; Wed, 7 Jan 2026 10:25:08 +0800 (CST) Received: from huawei.com (10.50.159.234) by kwepemk100009.china.huawei.com (7.202.194.57) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Wed, 7 Jan 2026 10:25:07 +0800 From: l00580197 To: Alexander Graf , Mike Rapoport , Pasha Tatashin CC: Pratyush Yadav , , , , , Long Wei Subject: [PATCH] kho: test: clean up residual memory upon test_kho module unload Date: Wed, 7 Jan 2026 10:24:27 +0800 Message-ID: <20260107022427.4114424-1-longwei27@huawei.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.50.159.234] X-ClientProxiedBy: kwepems100001.china.huawei.com (7.221.188.238) To kwepemk100009.china.huawei.com (7.202.194.57) X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 4F0B3C0013 X-Stat-Signature: t6p8x3ijaustom1cpbwegtajj9rma63s X-HE-Tag: 1767752712-227025 X-HE-Meta: U2FsdGVkX1/JvnOj0kgjSHYgeYmJzvu5ku4MP3dPy6AMhnTIBroJ3aC9s69uA/Lg6yJwlAFXRBs4w04Zyw0o1mZv8zduNu/FKBWj97IXkusGtnU1FL430EnqMYm0vi/FG0OV6HpsE6HgJVNuq6BucBNAFEuz9G+4tD0/F6Fk86GSw6ZQuLdaN1Y/LjQHekojj53Pa1LzbO+nnl+GUCWf29tNvF6eHsyjpggM/2TnFSjHiMLA4UO/o/CyEup3HC1eABlbXNWOpeMsy6WPa6OQEdeP9z6CRTQAdHc0wl2Gp+JAPKLC8Z+ZrW0R3k1e8P7AN7EyQBvpCAm7zVXtebINDLKyFD+4MEUvb0P1M+8/3+x3kgEcsn57GOYXBaWxuTztQar8gChH7nEHKFhN5aeoU9vyx/+oBI7/F8ZjMqSpzKIo9YHEEJ8N59xIPFQTWNdpEoiQf/rW3aTbMcMBWa8btGWI7+5yf/qCRUin9O21GhiA6NDCSvD/2rvF9W88T6QSKRAA0GXo8TLIrul3Qq1OjToPYFaM5J4c9L4ACXajJc1cob9CqkLK+4rewPafk7gkzcUdlTzk0FGECfaLv3eWSiUf2cxkdmkzQUdT9OVnaax9wS0xUZse9dFfi9kzpQtLavmn9qE0GFFcrih/RrTwvY6qvYksLjkRoUfjrqVFwxZiWXnjHVWjYDbWloyarnNf4C1UTxSfZr/LNnov0md971azhfCN+XhFno9JiW5aAVXe+e0OSO1dDZVFC+hz6VeURwkmzz5Tr9JuYTQ27R7RlmnkNCiITjBreH9wGAvUIaUhhgOJ3thIwfIkbEhxj2vEF6YBe+Ulmxnc1zTfkahH1MWaJGycPoSsThKsIrFcAcHPXIsWABSna2tZ4y7dquq/6aJUEqa2YVOctrOkz3Uyf1OWeTbYEbKGUUdHEPVudwK1VEm5WwSEofsL3PvEi4uxyM+/RRGK/snlsWSOZNp wbfEJEsv ijCIoU3AgYbfaL83n4qYbaBqAH3izsXp+rtqEmFlwWssdJx5ns+J07KhrYaWBSgOCdoD/dFb5Gu7vifi5JcClDaawTpQjAkHsiLzDfYlIr+OiYgjyPY6767EaoluFRGPQBlh6OIELIPN6G4CBaNKS8y/hd0lOy8LE4f4ek//qJJbVq9ZfXyoLxZM5se00LAx+edp5/S7uaMu0KhjiLI7qTjzgq9BAp+aaEDRrcnpkoDakd14h2P+n0QdunT6EHDFb+NUiKd6blUf9Nc9s9ADzHL2oRfAyKUzZyErJO0xMvSJsP1LXuKsqH0EiTfSLpCYS0kfVbBHBmAUtTQvJfU+MtNyxyA== 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: From: Long Wei During the initialization phase, the test_kho module invokes the kho_preserve_folio function, which internally configures bitmaps within kho_mem_track and establishes chunk linked lists in KHO. Upon unloading the test_kho module, it is necessary to clean up these states. Signed-off-by: Long Wei --- lib/test_kho.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/test_kho.c b/lib/test_kho.c index 47de56280795..69230da5a056 100644 --- a/lib/test_kho.c +++ b/lib/test_kho.c @@ -339,11 +339,15 @@ module_init(kho_test_init); static void kho_test_cleanup(void) { + /* unpreserve and free the data stored in folios */ + kho_test_unpreserve_data(&kho_test_state); for (int i = 0; i < kho_test_state.nr_folios; i++) folio_put(kho_test_state.folios[i]); kvfree(kho_test_state.folios); - vfree(kho_test_state.folios_info); + + /* Unpreserve and release the FDT folio */ + kho_unpreserve_folio(kho_test_state.fdt); folio_put(kho_test_state.fdt); } -- 2.43.0