s390/mm: convert to the generic get_user_pages_fast code

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Define the gup_fast_permitted to check against the asce_limit of the
mm attached to the current task, then replace the s390 specific gup
code with the generic implementation in mm/gup.c.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Martin Schwidefsky 2019-04-23 10:53:21 +02:00

parent d1874a0c28

commit 1a42010cdc

4 changed files with 14 additions and 292 deletions

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1

arch/s390/Kconfig

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12

arch/s390/include/asm/pgtable.h

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2

arch/s390/mm/Makefile

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291

arch/s390/mm/gup.c

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