his function works only in kernel-level drivers.</font></td></tr>

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<td><font face="Helvetica" size="-1"><b>RETURN </b></font><font face="Times">Returns an error if the specified physical range could not be mapped; otherwise, returns IO_R_SUCCESS.</font>

<p><font face="Helvetica" size="-1"><b>SEE ALSO </b></font><font face="Times"><b>IOUnmapPhysicalFromIOTask()</b></font></td></tr>

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