On 12/03/2012 03:01 PM, Ben Hutchings : > 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?
Well... I guess we can forget this patch then ;-) Thanks, best regards, -- Nicolas Ferre -- 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/
