s390/mm: add missing pfn_to_kaddr helper
authorVasily Gorbik <gor@linux.ibm.com>
Fri, 17 Nov 2017 10:21:49 +0000 (11:21 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 9 Oct 2018 09:21:15 +0000 (11:21 +0200)
commit75f195420a987490d3ce79db2d06c70fbfce4ac4
treeffaf9e169f26dd8e823bb72b973c456b610105c1
parent49698745e53c417370ac5cfe8b849bb65d62f129
s390/mm: add missing pfn_to_kaddr helper

kasan common code uses pfn_to_kaddr, which is defined by many other
architectures. Adding it as well to avoid a build error.

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/page.h