On Wed, 21 Aug 2013, Andrew Morton wrote: > The lock is needed so that one cpu can steal tags from another cpu's cache. > See (the needlessly inlined!) steal_tags().
Stealing tags could also be done via IPIs or some other things. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
