[S390] Convert to SPARSEMEM & SPARSEMEM_VMEMMAP

Convert s390 to SPARSEMEM and SPARSEMEM_VMEMMAP. We do a select
of SPARSEMEM_VMEMMAP since it is configurable. This is because
SPARSEMEM without SPARSEMEM_VMEMMAP gives us a hell of broken
include dependencies that I don't want to fix.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 0 insertions, 20 deletions

diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h
index b01e6fc9a29..f0f4579eac1 100644
--- a/include/asm-s390/page.h
+++ b/include/asm-s390/page.h
@@ -125,26 +125,6 @@ page_get_storage_key(unsigned long addr)
         return skey;
 }
 
-extern unsigned long max_pfn;
-
-static inline int pfn_valid(unsigned long pfn)
-{
-        unsigned long dummy;
-        int ccode;
-
-        if (pfn >= max_pfn)
-                return 0;
-
-        asm volatile(
-                "       lra     %0,0(%2)\n"
-                "       ipm     %1\n"
-                "       srl     %1,28\n"
-                : "=d" (dummy), "=d" (ccode)
-                : "a" (pfn << PAGE_SHIFT)
-                : "cc");
-        return !ccode;
-}
-
 #endif /* !__ASSEMBLY__ */
 
 /* to align the pointer to the (next) page boundary */