On Fri, 20 Mar 2026 16:42:34 -0400 Waiman Long <[email protected]> wrote:
> There are a number of test failures with the running of the > test_memcontrol selftest on a 128-core arm64 system on kernels with > 4k/16k/64k page sizes. This patch series makes some minor changes to > the kernel and the test_memcontrol selftest to address these failures. > > The first kernel patch scales the memcg vmstats flush threshold > with int_sqrt() instead of linearly with the total number of CPUs. The > second kernel patch scale down MEMCG_CHARGE_BATCH with increases in page > size. These 2 patches help to reduce the discrepancies between the > reported usage data with the real ones. > > The next 5 test_memcontrol selftest patches adjust the testing code to > greatly reduce the chance that it will report failure, though some > occasional failures is still possible. The AI review is up: https://sashiko.dev/#/patchset/[email protected]
