ascend inclusion
category: Feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4NDAW
CVE: NA

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

The situation below is not allowed:

int *result = mmap(ADDR, sizeof(int), PROT_READ | PROT_WRITE,
        MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);

As share pool uses an independent UVA allocation algorithm, it may
produce an address that is conflicted with user-specified address.
Signed-off-by: NTang Yizhou <tangyizhou@huawei.com>
Signed-off-by: NWang Wensheng <wangwensheng4@huawei.com>
Reviewed-by: Kefeng Wang<wangkefeng.wang@huawei.com>
Reviewed-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>