hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4AHP2
CVE: NA

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Fix some format issues in mm/mmap.c.

This patch also fix the wrong address range of mmu_notifier_range_init()
in do_user_swap().
Signed-off-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NXiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>