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 BE2D44D2EE6 for ; Mon, 11 May 2026 21:33:48 +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=1778535228; cv=none; b=mvBVVv7iQTpOjFDovovGxdcXuQrpwRk7h+si708rg3oKNGWQhV0fsYGrwSCLYTIvl66Hf3aQvMjEI7j+NMWjOofWy/RlSobY1z8w1eVbNji5ZOSEiIPlk40qqgkhEnR1bNjoCt1vIaCuiA8LeVTzfTxk1EHCSId1nNAJrxGKdCo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778535228; c=relaxed/simple; bh=2iiMuDdd9+WAv4PHULOTEScC90X/DmuAri5Ae61Idx0=; h=Date:To:From:Subject:Message-Id; b=URF4L0z11yOG/QilqT5NyVpR6+iXdYRfkOEFT4xoeXHrVn/9kH2sA2kaIqVY0lPiPn/zS0WcZUSOjIlJm/WwTgyUZ57JfWZG9FXhVN81a+uIWbQnmUxrIJsTCOQIf0pkYv0155+A4uQWPbcyTM/o2w2DU9nzXv51c3ttuu+PYBg= 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=m4hZv+qp; 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="m4hZv+qp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53DC2C2BCB0; Mon, 11 May 2026 21:33:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1778535228; bh=2iiMuDdd9+WAv4PHULOTEScC90X/DmuAri5Ae61Idx0=; h=Date:To:From:Subject:From; b=m4hZv+qpdf1tdt/Y1wtZyLnIgcgYMqVI7xdI6n2r9WeBfLeyg+HfO5iCHIXlNLTdk OMmCTV2FfYF/Juo8qJQYuzyNsdFqKkt6DuFZxT5idXpIh04nfjPwpGpR9DoBZSpp9X pQGgdiigjCwZFUbJFAHB8TVParowZjhnPWbvSWpI= Date: Mon, 11 May 2026 14:33:47 -0700 To: mm-commits@vger.kernel.org,rppt@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-mm-run_vmtestssh-dont-gate-thp-and-ksm-tests-on-have_hugepages.patch added to mm-new branch Message-Id: <20260511213348.53DC2C2BCB0@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: run_vmtests.sh: don't gate THP and KSM tests on HAVE_HUGEPAGES has been added to the -mm mm-new branch. Its filename is selftests-mm-run_vmtestssh-dont-gate-thp-and-ksm-tests-on-have_hugepages.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-run_vmtestssh-dont-gate-thp-and-ksm-tests-on-have_hugepages.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: run_vmtests.sh: don't gate THP and KSM tests on HAVE_HUGEPAGES Date: Mon, 11 May 2026 19:27:49 +0300 HAVE_HUGEPAGES indicates availability of free HugeTLB pages. It should not be used to gate KSM test that merges transparent huge pages or split_huge_page_test. Remove check for HAVE_HUGEPAGES when running these tests. Link: https://lore.kernel.org/20260511162840.375890-6-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Tested-by: Li Wang Reviewed-by: Li Wang Tested-by: Luiz Capitulino 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: Lorenzo Stoakes Cc: Mark Brown Cc: Michal Hocko Cc: Nico Pache Cc: Peter Xu Cc: Ryan Roberts Cc: Sarthak Sharma Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Zi Yan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/run_vmtests.sh | 22 ++++++++------------ 1 file changed, 9 insertions(+), 13 deletions(-) --- a/tools/testing/selftests/mm/run_vmtests.sh~selftests-mm-run_vmtestssh-dont-gate-thp-and-ksm-tests-on-have_hugepages +++ a/tools/testing/selftests/mm/run_vmtests.sh @@ -437,9 +437,7 @@ CATEGORY="memfd_secret" run_test ./memfd fi # KSM KSM_MERGE_TIME_HUGE_PAGES test with size of 100 -if [ "${HAVE_HUGEPAGES}" = "1" ]; then - CATEGORY="ksm" run_test ./ksm_tests -H -s 100 -fi +CATEGORY="ksm" run_test ./ksm_tests -H -s 100 # KSM KSM_MERGE_TIME test with size of 100 CATEGORY="ksm" run_test ./ksm_tests -P -s 100 # KSM MADV_MERGEABLE test with 10 identical pages @@ -492,16 +490,14 @@ CATEGORY="thp" run_test ./khugepaged -s # Try to create XFS if not provided if [ -z "${SPLIT_HUGE_PAGE_TEST_XFS_PATH}" ]; then - if [ "${HAVE_HUGEPAGES}" = "1" ]; then - if test_selected "thp"; then - if grep xfs /proc/filesystems &>/dev/null; then - XFS_IMG=$(mktemp /tmp/xfs_img_XXXXXX) - SPLIT_HUGE_PAGE_TEST_XFS_PATH=$(mktemp -d /tmp/xfs_dir_XXXXXX) - truncate -s 314572800 ${XFS_IMG} - mkfs.xfs -q ${XFS_IMG} - mount -o loop ${XFS_IMG} ${SPLIT_HUGE_PAGE_TEST_XFS_PATH} - MOUNTED_XFS=1 - fi + if test_selected "thp"; then + if grep xfs /proc/filesystems &>/dev/null; then + XFS_IMG=$(mktemp /tmp/xfs_img_XXXXXX) + SPLIT_HUGE_PAGE_TEST_XFS_PATH=$(mktemp -d /tmp/xfs_dir_XXXXXX) + truncate -s 314572800 ${XFS_IMG} + mkfs.xfs -q ${XFS_IMG} + mount -o loop ${XFS_IMG} ${SPLIT_HUGE_PAGE_TEST_XFS_PATH} + MOUNTED_XFS=1 fi fi fi _ 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