powerpc/pseries/ddw: Revert "Extend upper limit for huge DMA window for persistent memory"
Bugzilla: http://bugzilla.redhat.com/2056057
Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=43783440
Tested: Successfully tested by IBM. I did sanity boot testing on power 9 (ibm-p9z-06-lp10).
commit 2d33f5504490a9d90924476dbccd4a5349ee1ad0 Author: Alexey Kardashevskiy aik@ozlabs.ru Date: Mon Nov 8 15:03:17 2021 +1100
powerpc/pseries/ddw: Revert "Extend upper limit for huge DMA window for persistent memory"
This reverts commit 54fc3c681ded9437e4548e2501dc1136b23cfa9a
which does not allow 1:1 mapping even for the system RAM which
is usually possible.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211108040320.3857636-2-aik@ozlabs.ru
Signed-off-by: Steve Best sbest@redhat.com
Edited by Steve Best