!6746 v3 openEuler-1.0-LTS: bugfix for mm

Merge Pull Request from: @ci-robot 
 
PR sync from: Wupeng Ma <mawupeng1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/N62FRQOQBXML5VV326SHZX7GQKFPVVSI/ 
From: Ma Wupeng <mawupeng1@huawei.com>

mm/madvise: fix potential pte_unmap_unlock pte error.

Changelog since v2:
- fix style problem.

Miaohe Lin (1):
  mm/madvise: fix potential pte_unmap_unlock pte error


-- 
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I9K8XT 
 
Link:https://gitee.com/openeuler/kernel/pulls/6746

 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>