userswap: add VMA check for swap-in and swap-out buffer

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6CAIM



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Add VMA check for swap-in and swap-out buffer to make sure that swap-in
and swap-out buffer is of the same type as swap-out VA.

Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>