Commit 75f19542 authored Nov 17, 2017 by Vasily Gorbik Committed by Martin Schwidefsky Oct 09, 2018

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>

parent 49698745

arch/s390/include/asm/page.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,7 @@ static inline int devmem_is_allowed(unsigned long pfn)

		#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
		#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
		#define pfn_to_kaddr(pfn) pfn_to_virt(pfn)

		#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
		#define page_to_virt(page) pfn_to_virt(page_to_pfn(page))