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Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 44/53] selftests/mm: pagemap_ioctl: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:29 +0300 Message-ID: <20260418105539.1261536-45-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260418105539.1261536-1-rppt@kernel.org> References: <20260418105539.1261536-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Stat-Signature: 1s7j918hpf4eic883ip71s39cyuogu3r X-Rspam-User: X-Rspamd-Queue-Id: 299D6C0009 X-HE-Tag: 1776510020-353320 X-HE-Meta: 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 ZeLfJmHv t+fVRiOtIT/GiP0Fvz2WCLUcA1mQSG6skS+ET42bVnjruJp+WBDdQflNTZupuSWWTVblVrbozRL+WNtF8Ha9HgT1uebccPZ0FlFIPAXYX1o3cxg+eDe6tKzfbc/Gl4Q54+P3bGD0E+ei8YzQg+xMgF4tevOio11e2Rld6SN235lz5+LOkagIte+48gOthy6rKeSSeYF4hj9QsknPZAvkTzgwTJN2h8SpwSMrZtoKb3gXdKeUTb3h1yw2DMo2AJ3BZaRv2K49IRpU2sFQgBHtk92tolC+JufdnpMAq Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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) --- 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)); -- 2.53.0