On Wed, Jun 28, 2017 at 5:25 PM, John Garry <john.garry@xxxxxxxxxx> wrote: > From: Xiaofei Tan <tanxiaofei@xxxxxxxxxx> > > Currently we allocate 3 sets of DMA memories from separate > pools for each slot. This is inefficient in terms of memory usage > (buffers are less than 1 page in size, so we lose due to alignment), > and also time spend in doing 3 allocations + de-allocations per slot, > instead of 1. > > To optimise, combine the 3 DMA buffers into a single buffer from a > single pool. > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> > Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx> I'm not sure how strictly this is done, but typically the author signs off first. Frans
