Re: [PATCH] shrink_dcache_parent() races against shrink_dcache_memory()

[Kirill Korotaev]

> > We can think about optimizing this to
> >   if (!sb->sprunes)
> > 	wake_up(&sb->s_wait_prunes);
>
>
> Hardly. This is only the case when two or more shrinkers are active in
> parallel. If that was the case often, we would have seen this much more
> frequent IMHO.
But this avoids taking 2nd lock on fast path.

Kirill


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