The patch titled Subject: selftests/mm: hugetlb_reparenting_test: do not unmount has been added to the -mm mm-nonmm-unstable branch. Its filename is selftests-mm-hugetlb_reparenting_test-do-not-unmount.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_reparenting_test-do-not-unmount.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Subject: selftests/mm: hugetlb_reparenting_test: do not unmount Date: Thu, 25 Jan 2024 20:46:04 +0500 Patch series "selftests/mm: Improve run_vmtests.sh", v3. In this series, I'm trying to add 3 missing tests to vm_runtests.sh which is used to run all the tests in mm suite. These tests weren't running by CIs. While enabling them and through review feedback, I've fixed some problems in tests as well. I've found more flakiness in more tests which I'll be fixing with future patches. hugetlb-read-hwpoison test is being added where it can only run with newly added "-d" (destructive) flag only. Not sure why it is failing again. So once it become stable, we can think of moving it to default set of tests if it doesn't have any side-effect to them. This patch (of 5): Do not unmount the cgroup if it wasn't mounted by the test. The earlier patch had fixed this for charge_reserved_hugetlb, but not for this test. I'm adding fixes tag to that earlier patch. Link: https://lkml.kernel.org/r/20240125154608.720072-1-usama.anjum@xxxxxxxxxxxxx Link: https://lkml.kernel.org/r/20240125154608.720072-2-usama.anjum@xxxxxxxxxxxxx Fixes: 209376ed2a84 ("selftests/vm: make charge_reserved_hugetlb.sh work with existing cgroup setting") Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Cc: Ryan Roberts <ryan.roberts@xxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/mm/hugetlb_reparenting_test.sh | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh~selftests-mm-hugetlb_reparenting_test-do-not-unmount +++ a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh @@ -248,5 +248,7 @@ cleanup echo ALL PASS -umount $CGROUP_ROOT -rm -rf $CGROUP_ROOT +if [[ $do_umount ]]; then + umount $CGROUP_ROOT + rm -rf $CGROUP_ROOT +fi _ Patches currently in -mm which might be from usama.anjum@xxxxxxxxxxxxx are selftests-mm-mremap_test-fix-build-warning.patch selftests-mm-switch-to-bash-from-sh.patch selftests-mm-hugetlb_reparenting_test-do-not-unmount.patch selftests-mm-run_vmtests-remove-sudo-and-conform-to-tap.patch selftests-mm-save-and-restore-nr_hugepages-value.patch selftests-mm-protection_keys-save-restore-nr_hugepages-settings.patch selftests-mm-run_vmtestssh-add-missing-tests.patch