On Mon, 2012-12-03 at 13:15 +0100, Nicolas Ferre wrote: > Depending on datapath, some revisions of GEM need > 64bits aligned descriptors. Use dmapool to allocate > these descriptors. > Note that different size between RX and TX rings > leads to the creation of two pools. > > Signed-off-by: Nicolas Ferre <nicolas.fe...@atmel.com> [...]
dma_alloc_coherent() allocates whole pages, which I think is quite enough alignment. You can't save memory by doing this, since each pool needs at least one page. So what is this change meant to achieve? Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. -- 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/