diff options
| author | VSR Burru <veerasenareddy.burru@cavium.com> | 2017-03-10 04:03:24 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-13 09:17:00 +0300 |
| commit | b3ca9af0fb65098dd2afecca6831c361a585f37f (patch) | |
| tree | e737e5e34e64ef0d9f428aeb14c7acf615cdf36f /drivers/net/ethernet/cavium/liquidio/octeon_iq.h | |
| parent | de12e4fb8f5f35bfeada567dabf597ef6004127d (diff) | |
| download | linux-b3ca9af0fb65098dd2afecca6831c361a585f37f.tar.xz | |
liquidio: optimize DMA in NUMA systems
Optimize DMA in NUMA systems by allocating memory from NUMA node that NIC
is plugged in to; DMA will no longer cross NUMA nodes. If NIC IRQs are
pinned to a local CPU, that CPU's access to the DMA'd data is also
optimized.
Signed-off-by: VSR Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_iq.h')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_iq.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h index 4608a5af35a3..5063a12613e5 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_iq.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_iq.h @@ -152,7 +152,7 @@ struct octeon_instr_queue { struct oct_iq_stats stats; /** DMA mapped base address of the input descriptor ring. */ - u64 base_addr_dma; + dma_addr_t base_addr_dma; /** Application context */ void *app_ctx; |