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2024-05-20Revert "selftests/cgroup: Drop define _GNU_SOURCE"Shuah Khan
This reverts commit c1457d9aad5ee2feafcf85aa9a58ab50500159d2. The framework change to add D_GNU_SOURCE to KHDR_INCLUDES to Makefile, lib.mk, and kselftest_harness.h is reverted as it is causing build failures and warnings. Revert this change as this change depends on the framework change. Reported-by: Mark Brown <broonie@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-05-13selftests/cgroup: Drop define _GNU_SOURCEEdward Liaw
_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw <edliaw@google.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2024-04-03selftests: cgroup: skip test_cgcore_lesser_ns_open when cgroup2 mounted ↵Tianchen Ding
without nsdelegate The test case test_cgcore_lesser_ns_open only tasks effect when cgroup2 is mounted with "nsdelegate" mount option. If it misses this option, or is remounted without "nsdelegate", the test case will fail. For example, running bpf/test_cgroup_storage first, and then run cgroup/test_core will fail on test_cgcore_lesser_ns_open. Skip it if "nsdelegate" is not detected in cgroup2 mount options. Fixes: bf35a7879f1d ("selftests: cgroup: Test open-time cgroup namespace usage for migration checks") Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2023-10-18selftests: add a selftest to verify hugetlb usage in memcgNhat Pham
This patch add a new kselftest to demonstrate and verify the new hugetlb memcg accounting behavior. Link: https://lkml.kernel.org/r/20231006184629.155543-5-nphamcs@gmail.com Signed-off-by: Nhat Pham <nphamcs@gmail.com> Cc: Frank van der Linden <fvdl@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Rik van Riel <riel@surriel.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun heo <tj@kernel.org> Cc: Yosry Ahmed <yosryahmed@google.com> Cc: Zefan Li <lizefan.x@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>