diff options
Diffstat (limited to 'include/asm-s390/page.h')
| -rw-r--r-- | include/asm-s390/page.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h index b01e6fc9a295..f0f4579eac13 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 */ |