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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-23 10:53:21 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-23 16:30:04 +0200
commit1a42010cdc26bb7e5912984f3c91b8c6d55f089a (patch)
treec4833720d9fce9ec9c7fdc3d1de59ed585bfd2fb /arch/s390/Kconfig
parents390/mm: make the pxd_offset functions more robust (diff)
downloadlinux-1a42010cdc26bb7e5912984f3c91b8c6d55f089a.tar.xz
linux-1a42010cdc26bb7e5912984f3c91b8c6d55f089a.zip
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>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 566f0b460d21..1c3fcf19c3af 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -149,6 +149,7 @@ config S390
select HAVE_FUNCTION_TRACER
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_GCC_PLUGINS
+ select HAVE_GENERIC_GUP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZ4