From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08A1F3B8920 for ; Mon, 11 May 2026 21:35:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778535342; cv=none; b=ZA59jVNcT8BSLCNLyaxm+r0bEfpB+adIY22InAVCEJpGzq30zeSJLqr3D37YDQ8nlxgMEva83+MwIvsZxQA8f2HpN0b+8BBy51q4Zsujp/14+n5wlTGsfsUpnH5tlfGXO8x5UYaUyBZHhQRQvq0RihiBbD2iE5ryzGhid76KS8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778535342; c=relaxed/simple; bh=ZyQojX6MUeD6sbW+WPCLDqciyk+5E9UFZHaQ7JtwfU8=; h=Date:To:From:Subject:Message-Id; b=Q4YoPFLJ/OnAMz55RhemKcEMBXjefSPbeHqJ+3+2RcWnsVvs5GnD+SZWrs2Rf/Q11HAd5LQ/vja3J/EYmvOqmYa2qRukAlVm7ndn5mgLJV+NN1iqRj/ePd/+wGZMm+dglNqjr5jeP5Zq7SkjBUHwjsnnEZWon9a3YE1TVXug+NQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=tZ8z82nT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="tZ8z82nT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85EBAC2BCB0; Mon, 11 May 2026 21:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1778535341; bh=ZyQojX6MUeD6sbW+WPCLDqciyk+5E9UFZHaQ7JtwfU8=; h=Date:To:From:Subject:From; b=tZ8z82nTRl6lt+WzkRWw00kBPAi8hscUrRNJUXv9XkdAqXQ7vE8wJXosGB2Frbg6n ZZR7FgvSl9qFl0RW1LzpK5gVYsTawKppUBgDZLHHdH6szQW/+JXHJXJ2WCKcUn6hpu aFsopiGB1vhU3KkbzlIJbxgJfTj7Uip3BYKHBmK4= Date: Mon, 11 May 2026 14:35:41 -0700 To: mm-commits@vger.kernel.org,rppt@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-mm-hugetlb-mmap-add-setup-of-hugetlb-pages.patch added to mm-new branch Message-Id: <20260511213541.85EBAC2BCB0@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: selftests/mm: hugetlb-mmap: add setup of HugeTLB pages has been added to the -mm mm-new branch. Its filename is selftests-mm-hugetlb-mmap-add-setup-of-hugetlb-pages.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-hugetlb-mmap-add-setup-of-hugetlb-pages.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: "Mike Rapoport (Microsoft)" Subject: selftests/mm: hugetlb-mmap: add setup of HugeTLB pages Date: Mon, 11 May 2026 19:28:24 +0300 hugetlb-mmap test fails 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. Link: https://lore.kernel.org/20260511162840.375890-41-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Luiz Capitulino Tested-by: Luiz Capitulino Tested-by: Sarthak Sharma Cc: Baolin Wang Cc: Barry Song Cc: David Hildenbrand Cc: Dev Jain Cc: Donet Tom Cc: Jason Gunthorpe Cc: John Hubbard Cc: Lance Yang Cc: Leon Romanovsky Cc: Liam Howlett Cc: Li Wang Cc: Lorenzo Stoakes Cc: Mark Brown Cc: Michal Hocko Cc: Nico Pache Cc: Peter Xu Cc: Ryan Roberts Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Zi Yan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/hugetlb-mmap.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) --- a/tools/testing/selftests/mm/hugetlb-mmap.c~selftests-mm-hugetlb-mmap-add-setup-of-hugetlb-pages +++ a/tools/testing/selftests/mm/hugetlb-mmap.c @@ -105,28 +105,35 @@ int main(int argc, char **argv) { size_t hugepage_size; size_t length = LENGTH; - int shift = 0; + int shift = 0, nr; ksft_print_header(); - ksft_set_plan(2); if (argc > 1) length = atol(argv[1]) << 20; if (argc > 2) shift = atoi(argv[2]); + hugetlb_save_settings(); if (shift) { hugepage_size = (1UL << shift); ksft_print_msg("%lu kB hugepages\n", 1UL << (shift - 10)); } else { hugepage_size = default_huge_page_size(); + if (!hugepage_size) + ksft_exit_skip("Could not detect default hugetlb page size."); ksft_print_msg("Default size hugepages (%lu kB)\n", hugepage_size >> 10); } /* munmap will fail if the length is not page aligned */ - if (hugepage_size > length) - length = hugepage_size; + length = (length + hugepage_size - 1) & ~(hugepage_size - 1); + nr = length / hugepage_size; + + hugetlb_set_nr_pages(hugepage_size, nr); + if (hugetlb_free_pages(hugepage_size) < nr) + ksft_exit_skip("Not enough %lu Kb pages\n", hugepage_size >> 10); + ksft_set_plan(2); ksft_print_msg("Mapping %lu Mbytes\n", (unsigned long)length >> 20); test_anon_mmap(length, shift); _ Patches currently in -mm which might be from rppt@kernel.org are maintainers-add-tree-for-kdump-and-kexec.patch maintainers-add-kexec-list-to-live-update-entry.patch sh-fix-fallout-from-zero_page-consolidation.patch selftests-mm-hugetlb-read-hwpoison-add-sigbus-handler.patch selftests-mm-migration-dont-assume-huge-page-is-twomeg.patch selftests-mm-migration-make-nthreads-represent-number-of-working-threads.patch selftests-mm-migration-properly-cleanup-forked-processes.patch selftests-mm-run_vmtestssh-dont-gate-thp-and-ksm-tests-on-have_hugepages.patch selftests-mm-merge-map_hugetlb-into-hugepage-mmap.patch selftests-mm-rename-hugepage-tests-to-hugetlb.patch selftests-mm-hugetlb-shm-use-kselftest-framework.patch selftests-mm-hugetlb-vmemmap-use-kselftest-framework.patch selftests-mm-hugetlb-madvise-use-kselftest-framework.patch selftests-mm-hugetlb_madv_vs_map-use-kselftest-framework.patch selftests-mm-hugetlb-read-hwpoison-use-kselftest-framework.patch selftests-mm-khugepaged-group-tests-in-an-array.patch selftests-mm-khugepaged-use-ksefltest-framework.patch selftests-mm-ksm_tests-use-kselftest-framework.patch selftests-mm-protection_keys-use-descriptive-test-names-in-the-output.patch selftests-mm-protection_keys-use-kselftest-framework.patch selftests-mm-uffd-common-use-kselftest-framework.patch selftests-mm-uffd-stress-use-kselftest-framework.patch selftests-mm-uffd-unit-tests-use-kselftest-framework.patch selftests-mm-va_high_addr_switch-use-kselftest-framework.patch selftests-mm-add-atexit-and-signal-handlers-to-thp_settings.patch selftests-mm-rename-thp_settings-to-hugepage_settings.patch selftests-mm-move-hugetlb-helpers-to-hugepage_settings.patch selftests-mm-hugepage_settings-use-unsigned-long-in-detect_hugetlb_page_size.patch selftests-mm-hugepage_settings-add-apis-to-get-and-set-nr_hugepages.patch selftests-mm-hugepage_settings-rename-and-rework-get_free_hugepages.patch selftests-mm-hugepage_settings-add-apis-for-hugetlb-setup-and-teardown.patch selftests-mm-move-read_file-read_num-and-write_num-to-vm_util.patch selftests-mm-vm_util-add-helpers-to-set-and-restore-shm-limits.patch selftests-mm-compaction_test-use-hugetlb-helpers.patch selftests-mm-cow-add-setup-of-hugetlb-pages.patch selftests-mm-gup_longterm-add-setup-of-hugetlb-pages.patch selftests-mm-gup_test-add-setup-of-hugetlb-pages.patch selftests-mm-hmm-tests-add-setup-of-hugetlb-pages.patch selftests-mm-hugepage_dio-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb_fault_after_madv-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-madvise-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb_madv_vs_map-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-mmap-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-mremap-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-shm-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-soft-offline-add-setup-of-hugetlb-pages.patch selftests-mm-hugetlb-vmemmap-add-setup-of-hugetlb-pages.patch selftests-mm-migration-add-setup-of-hugetlb-pages.patch selftests-mm-pagemap_ioctl-add-setup-of-hugetlb-pages.patch selftests-mm-protection_keys-use-library-code-for-hugetlb-setup.patch selftests-mm-thuge-gen-add-setup-of-hugetlb-pages.patch selftests-mm-uffd-stress-use-hugetlb_save-and-alloc-huge-pages.patch selftests-mm-uffd-unit-tests-add-setup-of-hugetlb-pages.patch selftests-mm-uffd-wp-mremap-add-setup-of-hugetlb-pages.patch selftests-mm-va_high_addr_switch-add-setup-of-hugetlb-pages.patch selftests-mm-va_high_addr_switchsh-drop-huge-pages-setup.patch selftests-mm-run_vmtestssh-free-memory-if-available-memory-is-low.patch selftests-mm-run_vmtestssh-drop-detection-and-setup-of-hugetlb.patch