!4399 net: dst: Optimized route gc

Merge Pull Request from: @ci-robot 
 
PR sync from: Dong Chenchen <dongchenchen2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/3MABM7JT2E55LAPHWUKUMOPCMAKPFUCX/ 
Eric Dumazet (1):
  net/dst: use a smaller percpu_counter batch for dst entries accounting

Peter Oskolkov (1):
  net: add a route cache full diagnostic message


-- 
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I90HST 
 
Link:https://gitee.com/openeuler/kernel/pulls/4399

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>