linux-stable.git/tools/testing/selftests/cgroup/lib/include, branch linux-6.16.y Linux kernel stable tree cgroup: selftests: Add API to find root of specific controller 2025-05-16T18:45:15+00:00 Sean Christopherson seanjc@google.com 2025-05-08T18:46:46+00:00 38e1dd578142bd3ed4f43e3657562c1e6af597e7 Add an API in the cgroups library to find the root of a specific controller. KVM selftests will use the API to find the memory controller. Search for the controller on both v1 and v2 mounts, as KVM selftests' usage will be completely oblivious of v1 versus v2. Signed-off-by: James Houghton <jthoughton@google.com> Link: https://lore.kernel.org/r/20250508184649.2576210-6-jthoughton@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> 
Add an API in the cgroups library to find the root of a specific
controller.  KVM selftests will use the API to find the memory controller.

Search for the controller on both v1 and v2 mounts, as KVM selftests'
usage will be completely oblivious of v1 versus v2.

Signed-off-by: James Houghton <jthoughton@google.com>
Link: https://lore.kernel.org/r/20250508184649.2576210-6-jthoughton@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
cgroup: selftests: Move cgroup_util into its own library 2025-05-16T18:45:15+00:00 James Houghton jthoughton@google.com 2025-05-08T18:46:45+00:00 2c754a84ff16ae835cea470c4146fabe94fa129f KVM selftests will soon need to use some of the cgroup creation and deletion functionality from cgroup_util. Suggested-by: David Matlack <dmatlack@google.com> Signed-off-by: James Houghton <jthoughton@google.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20250508184649.2576210-5-jthoughton@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> 
KVM selftests will soon need to use some of the cgroup creation and
deletion functionality from cgroup_util.

Suggested-by: David Matlack <dmatlack@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20250508184649.2576210-5-jthoughton@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>