Williams, Dan J wrote: > The tx_list attribute of struct dma_async_tx_descriptor is common to > most, but not all dma driver implementations. None of the upper level > code (dmaengine/async_tx) uses it, so allow drivers to implement it > locally if they need it. This saves sizeof(struct list_head) bytes for > drivers that do not manage descriptors with a linked list (e.g.: ioatdma > v2,3). > > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> > --- Signed-off-by: Maciej Sosnowski <maciej.sosnowski@xxxxxxxxx>-- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html