to get the semantics when setting the PMAP right. Prior to r251782, the latter already used implicit acquire semantics, which - currently - means to not employ additional explicit memory barriers under the hood (see also r225889).
to get the semantics when setting the PMAP right. Prior to r251782, the latter already used implicit acquire semantics, which - currently - means to not employ additional explicit memory barriers under the hood (see also r225889).