Drop this from 500 to 128, to save a little space on memory constrained
platforms.
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@ -153,7 +153,7 @@ static STAILQ_HEAD(, bus_dmamap) bounce_map_callbacklist;
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static TAILQ_HEAD(,bus_dmamap) dmamap_freelist =
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TAILQ_HEAD_INITIALIZER(dmamap_freelist);
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#define BUSDMA_STATIC_MAPS 500
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#define BUSDMA_STATIC_MAPS 128
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static struct bus_dmamap map_pool[BUSDMA_STATIC_MAPS];
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static struct mtx busdma_mtx;
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