Shaun Ruffell 5618e9e812 wcte12xp, wctdm24xxp: Convert vbb cache from kmem_cache to dma_pool. ...

The voicebus interface constantly uses the same buffers for moving data
to/from the card.  A fixed pool has less overhead in this case than
constantly mapping/unmapping the kmem_cache_alloced buffers.

Saves about ~2.608 us for each run of vb_isr on a 2.40 GHz Xeon test
machine.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9402 a0bf4364-ded3-4de4-8d8a-66a801d63aff

2010-09-23 21:38:52 +00:00

..

dahdi

wcte12xp, wctdm24xxp: Convert vbb cache from kmem_cache to dma_pool.

2010-09-23 21:38:52 +00:00