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Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Nico Pache , Peter Xu , Ryan Roberts , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org References: <20260428204240.1924129-1-rppt@kernel.org> <20260428204240.1924129-46-rppt@kernel.org> From: Sarthak Sharma Content-Language: en-US In-Reply-To: <20260428204240.1924129-46-rppt@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MA5P287CA0091.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1d4::13) To DU0PR08MB9203.eurprd08.prod.outlook.com (2603:10a6:10:417::12) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DU0PR08MB9203:EE_|PR3PR08MB5724:EE_|AM4PEPF00027A6B:EE_|DU0PR08MB9300:EE_ X-MS-Office365-Filtering-Correlation-Id: a9fb0289-07e1-485f-8152-08deac2dc8e3 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|1800799024|7416014|376014|366016|18002099003|22082099003|56012099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: /wBTGDnufF5iW3MXVR9w+MYiubAZkwAG3Gr5rS9SHoYjvPRbJrwf8oUhK1qj8YABCI50nZMjVMP2ErLbDiCkYPx6+mTqunY4Exnu57tjUUuMJ2lyE8IxVYI9SRLDsYPO7JxKdWTu3pKEKJmC0+jqstkbvEyWEXkpp6KfqPN5STudb+73vD/oiKODH/PMV/aMjQvk/a6/a4We5L8G8kqXBezciRCZUZsAFiJMwSRrCXgVp4qca2KsRqqY8WZetvhGjMVvD6/K8UjR4Am+QtBSk6NlfVu74Fk+WrHp6RKKqDnxe4r/Jm1K1Y3WImaSlADFcGs3gnBzqSq+kNi1eKaSZ6CLDoMM1deVbb11gZuS6Wdphu737JWAl9Ciyi8P2niCqxV4+xphoF9VyoZ1MEm8UfY8uBJ16wzHWLG4HPvFFnKV1JFkMgLPJD0L1fXGdGFU X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2026 11:42:57.6022 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a9fb0289-07e1-485f-8152-08deac2dc8e3 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00027A6B.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9300 On 4/29/26 2:12 AM, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > pagemap-ioctl skips HugeTLB tests if there are no free huge pages > prepared by a wrapper script. > > Add setup of HugeTLB pages to the test and make sure that the original > settings are restored on the test exit. > > Signed-off-by: Mike Rapoport (Microsoft) I have run the test before and after applying the patch. Before the patch, 18 HugeTLB subtests were skipped due to no preallocated hugepages. After the patch, those subtests correctly allocate the required hugepages and successfully pass. Tested-by: Sarthak Sharma > --- > tools/testing/selftests/mm/pagemap_ioctl.c | 13 +++++++++---- > 1 file changed, 9 insertions(+), 4 deletions(-) > > diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c > index 7f9428d6062c..e2c62cb6978f 100644 > --- a/tools/testing/selftests/mm/pagemap_ioctl.c > +++ b/tools/testing/selftests/mm/pagemap_ioctl.c > @@ -7,8 +7,6 @@ > #include > #include > #include > -#include "vm_util.h" > -#include "kselftest.h" > #include > #include > #include > @@ -23,6 +21,10 @@ > #include > #include > > +#include "vm_util.h" > +#include "kselftest.h" > +#include "hugepage_settings.h" > + > #define PAGEMAP_BITS_ALL (PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | \ > PAGE_IS_FILE | PAGE_IS_PRESENT | \ > PAGE_IS_SWAPPED | PAGE_IS_PFNZERO | \ > @@ -1554,6 +1556,9 @@ int main(int __attribute__((unused)) argc, char *argv[]) > if (init_uffd()) > ksft_exit_skip("Failed to initialize userfaultfd\n"); > > + if (!hugetlb_setup_default(4)) > + ksft_exit_skip("Not enough huge pages\n"); > + > ksft_set_plan(117); > > page_size = getpagesize(); > @@ -1605,7 +1610,7 @@ int main(int __attribute__((unused)) argc, char *argv[]) > } > > /* 5. SHM Hugetlb page testing */ > - mem_size = 2*1024*1024; > + mem_size = default_huge_page_size(); > mem = gethugetlb_mem(mem_size, &shmid); > if (mem) { > wp_init(mem, mem_size); > @@ -1633,7 +1638,7 @@ int main(int __attribute__((unused)) argc, char *argv[]) > } > > /* 7. File Hugetlb testing */ > - mem_size = 2*1024*1024; > + mem_size = default_huge_page_size(); > fd = memfd_create("uffd-test", MFD_HUGETLB | MFD_NOEXEC_SEAL); > if (fd < 0) > ksft_exit_fail_msg("uffd-test creation failed %d %s\n", errno, strerror(errno));