2025-06-18T21:04:30Z Shuah Khan <sk...@linuxfoundation.org>: > On 6/13/25 03:12, Gabriele Monaco wrote: >> A task in the kernel (task_mm_cid_work) runs somewhat periodically to >> compact the mm_cid for each process. Add a test to validate that it runs >> correctly and timely. >> The test spawns 1 thread pinned to each CPU, then each thread, including >> the main one, runs in short bursts for some time. During this period, the >> mm_cids should be spanning all numbers between 0 and nproc. >> At the end of this phase, a thread with high enough mm_cid (>= nproc/2) >> is selected to be the new leader, all other threads terminate. >> After some time, the only running thread should see 0 as mm_cid, if that >> doesn't happen, the compaction mechanism didn't work and the test fails. >> The test never fails if only 1 core is available, in which case, we >> cannot test anything as the only available mm_cid is 0. >> Reviewed-by: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> >> Signed-off-by: Gabriele Monaco <gmon...@redhat.com> > > Mathieu, > > Let me know if you would like me to take this through my tree. > > Acked-by: Shuah Khan <sk...@linuxfoundation.org>
Thanks for the Ack, just to add some context: the test is flaky without the previous patches, would it still be alright to pull it before them? Thanks, Gabriele
