ascend inclusion
category: bugfix
bugzilla: NA
CVE: NA

----------------------------------------------------

The current function hugetlb_alloc_hugepage implements the allocation
from normal hugepages first. When the normal hugepage is used up, it
attempts to apply for temporary hugepages. Two additional modes are
supported: normal hugepages only and temporary hugepages only.
Signed-off-by: NZhou Guanghui <zhouguanghui1@huawei.com>
Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>