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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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