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(parent: 5242ca3) | patch
s390/mm: Add huge pmd storage key handling
authorJanosch Frank <frankja@linux.ibm.com>
Fri, 13 Jul 2018 10:28:28 +0000 (11:28 +0100)
committerJanosch Frank <frankja@linux.ibm.com>
Mon, 30 Jul 2018 10:20:18 +0000 (11:20 +0100)
commitc1e319bbcf262821d38735beb5fa4922059d0378
tree735bc3f8c59ec483a53e54242576c6a30263ecd9tree | snapshot
parent5242ca3644d0d78d95e96bbe88916a33cec99479commit | diff
s390/mm: Add huge pmd storage key handling

Storage keys for guests with huge page mappings have to be managed in
hardware. There are no PGSTEs for PMDs that we could use to retain the
guests's logical view of the key.

Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
arch/s390/mm/pgtable.c diff | blob | history
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