!3071 perf/core: Fix perf_mmap fail when CONFIG_PERF_USE_VMALLOC enabled

Merge Pull Request from: @ci-robot 
 
PR sync from: Yang Jihong <yangjihong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Y724KUTLBNMIJJPPULFQ4VOAROBO7EGV/ 
 
https://gitee.com/openeuler/kernel/issues/I8KFB3 
 
Link:https://gitee.com/openeuler/kernel/pulls/3071

 

Reviewed-by: Xu Kuohai <xukuohai@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>