!1244 set the iova rcache global

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QTEAS342W3GWUZ4HON7LSTQKXGLF5G3K/ 
The iova rcache will have performance problem, set the iova rcache
global mag max size to 128 to fix it.

Zhang Zekun (2):
  iommu/iova: increase the iova_rcache depot max size
  config: enable set the max iova mag size to 128


-- 
2.17.1
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1244

 

Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Liu Chao <liuchao173@huawei.com>
Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>