s390/mm: convert to the generic get_user_pages_fast code
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 23 Apr 2019 08:53:21 +0000 (10:53 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 23 Apr 2019 14:30:04 +0000 (16:30 +0200)
commit1a42010cdc26bb7e5912984f3c91b8c6d55f089a
treec4833720d9fce9ec9c7fdc3d1de59ed585bfd2fb
parentd1874a0c2805fcfa9162c972d6b7541e57adb542
s390/mm: convert to the generic get_user_pages_fast code

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>
arch/s390/Kconfig
arch/s390/include/asm/pgtable.h
arch/s390/mm/Makefile
arch/s390/mm/gup.c [deleted file]