Messages in this thread | | | Date | Tue, 30 Aug 2022 20:59:32 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH RFC] mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context. |
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On 2022-08-30 17:48:06 [+0200], Maurizio Lombardi wrote: > Hmm, this is not good indeed. I guess I should have used for_each_online_cpu() > instead of on_each_cpu_cond().
But you must not invoked that function cross-CPU since the code expects to access the per-CPU variables always from the local-CPU.
> > > > Couldn't we instead use a workqueue with that WQ_MEM_RECLAIM bit? It may > > reclaim memory after all ;) > > That should also fix it, do you think it would be ok to allocate a workqueue in > in kmem_cache_init() ?
I guess so. There is probably none that is already available.
> Thanks, > Maurizio
Sebastian
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