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staging/rdma/hfi1: Increase SDMA descriptor queue size 

A value of 2048 increased PSM performance while not impacting verbs
performance.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ignacio Hernandez <ignacio.hernandez@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ignacio Hernandez 2015-10-26 10:28:42 -04:00 committed by Greg Kroah-Hartman
parent ee947859bf
commit 028d72545b
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/rdma/hfi1/sdma.c
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@ -65,7 +65,7 @@
#include "trace.h"
/* must be a power of 2 >= 64 <= 32768 */
#define SDMA_DESCQ_CNT 1024
#define SDMA_DESCQ_CNT 2048
#define SDMA_DESC_INTR 64
#define INVALID_TAIL 0xffff