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There are a bunch of functions that use the PFN from a page table entry
that end up with the svpbmt upper-bits because they are missing the newly
introduced PAGE_PFN_MASK which leads to wrong addresses conversions and
then crash: fix this by adding this mask.
Fixes: 100631b48d ("riscv: Fix accessing pfn bits in PTEs for non-32bit variants")
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Anup Patel <anup@brainfault.org>