diff options
| author | Matias Elo <matias.elo@nokia.com> | 2018-12-05 13:00:07 +0200 |
|---|---|---|
| committer | Maxim Uvarov <maxim.uvarov@linaro.org> | 2018-12-13 12:30:20 +0300 |
| commit | cd8dce5edfcb5c776c146a4d5f6d3b03e6e9c03a (patch) | |
| tree | f25c3e38cbb3fe4a8be6b9b4aed99c4a7fabb425 /config | |
| parent | 0b32d484baf7c91bc3f7ae96976873d834687513 (diff) | |
linux-dpdk: queue: fix usage of too small queue ring
A ring which is used to implement a queue must be larger than the queue.
Optimal memory usage when queue size is power of two minus one.
Signed-off-by: Matias Elo <matias.elo@nokia.com>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Diffstat (limited to 'config')
| -rw-r--r-- | config/odp-linux-dpdk.conf | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/config/odp-linux-dpdk.conf b/config/odp-linux-dpdk.conf index 824dd57c2..65e0e3efd 100644 --- a/config/odp-linux-dpdk.conf +++ b/config/odp-linux-dpdk.conf @@ -42,11 +42,13 @@ pktio_dpdk: { } queue_basic: { - # Maximum queue size. Value must be a power of two. - max_queue_size = 8192 + # Maximum queue size. Power of two minus one results optimal memory + # usage (e.g. (8 * 1024) - 1). + max_queue_size = 8191 - # Default queue size. Value must be a power of two. - default_queue_size = 4096 + # Default queue size. Power of two minus one results optimal memory + # usage (e.g. (4 * 1024) - 1). + default_queue_size = 4095 } sched_basic: { |