[PATCH v2 0/3] cgroup/cpuset: Fix some more bugs in cpuset partition code

From: Waiman Long

Date: Fri Oct 30 2026 - 15:08:22 EST


v2:
- Add two fix patches for problems reported by sashiko and Guopeng.

This is another series of 3 fix patches for bugs in cpuset partition
code.

Waiman Long (3):
cgroup/cpuset: Fix incorrect CPU accounting with parent's
effective_xcpus expansion
cgroup/cpuset: Recompute effective cpumask in update_cpumasks_hier()
after calling update_parent_effective_cpumask()
cgroup/cpuset: Do housekeeping check when isolated child with root
parent may get more xcpus

kernel/cgroup/cpuset.c | 32 ++++++++++++++++---
.../selftests/cgroup/test_cpuset_prs.sh | 25 +++++++++++++--
2 files changed, 51 insertions(+), 6 deletions(-)

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2.56.0