vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro
mainline inclusion from mainline-v5.15-rc1 commit 729ce5a5 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=729ce5a5bd6fda5eb2322a39db2287f1f26f92f3 ---------------------------------------------------------------------- it's a nice refactor to make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro Signed-off-by: NCai Huoqing <caihuoqing@baidu.com> Link: https://lore.kernel.org/r/20210802013717.851-1-caihuoqing@baidu.comAcked-by: NJason Wang <jasowang@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NPengyuan Zhao <zhaopengyuan@hisilicon.com>
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