s390/mm: Make gmap_protect_range more modular

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This patch reworks the gmap_protect_range logic and extracts the pte
handling into an own function. Also we do now walk to the pmd and make
it accessible in the function for later use. This way we can add huge
page handling logic more easily.

Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Janosch Frank 2018-07-13 11:28:16 +01:00

parent 7daf201d7f

commit 5a045bb9c4

1 changed files with 83 additions and 10 deletions

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arch/s390/mm/gmap.c

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