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(parent: b66f32e) | 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)
commitfdbee320c5cf18cef245d2e043c0cdc01eab0772
tree735bc3f8c59ec483a53e54242576c6a30263ecd9tree | snapshot
parentb66f32e59646236eece2b9247b38fcf1201fc7c1commit | 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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