On Tue, Jun 11, 2019 at 4:18 PM Roman Gushchin <[email protected]> wrote:
>
> There is no point in checking the root_cache->memcg_params.dying
> flag on kmem_cache creation path. New allocations shouldn't be
> performed using a dead root kmem_cache,

Yes, it's the user's responsibility to synchronize the kmem cache
destruction and allocations.

> so no new memcg kmem_cache
> creation can be scheduled after the flag is set. And if it was
> scheduled before, flush_memcg_workqueue() will wait for it anyway.
>
> So let's drop this check to simplify the code.
>
> Signed-off-by: Roman Gushchin <[email protected]>

Reviewed-by: Shakeel Butt <[email protected]>

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