Fri, Feb 03, 2023 at 09:40:36AM CET, taoyuan_e...@hotmail.com wrote: >Use actual CPU number instead of hardcoded value to decide the size >of 'cpu_used_mask' in 'struct sw_flow'. Below is the reason. > >'struct cpumask cpu_used_mask' is embedded in struct sw_flow. >Its size is hardcoded to CONFIG_NR_CPUS bits, which can be >8192 by default, it costs memory and slows down ovs_flow_alloc > >To address this, redefine cpu_used_mask to pointer >append cpumask_size() bytes after 'stat' to hold cpumask > >cpumask APIs like cpumask_next and cpumask_set_cpu never access >bits beyond cpu count, cpumask_size() bytes of memory is enough > >Signed-off-by: Eddy Tao <taoyuan_e...@hotmail.com>
Reviewed-by: Jiri Pirko <j...@nvidia.com> _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev