!4291 fs:/dcache.c: fix negative dentry limit not complete problem

Merge Pull Request from: @ci-robot 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AVRDHA3WRHNPTBPHZOAOPFWJFN74XVOE/ 

https://gitee.com/openeuler/kernel/issues/I8JH5M
 
 
Link:https://gitee.com/openeuler/kernel/pulls/4291

 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>