2 files changed, 2 insertions, 0 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9f2093c1f44b..d4de8a4814be 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -191,6 +191,7 @@ config IOSAPIC
 
 config IA64_SGI_SN_XP
         tristate "Support communication between SGI SSIs"
+        depends on IA64_GENERIC || IA64_SGI_SN2
         select IA64_UNCACHED_ALLOCATOR
         help
           An SGI machine can be divided into multiple Single System
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index ef436b9d06ad..9d41548b7fef 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -120,6 +120,7 @@ extern unsigned long max_low_pfn;
 
 #define page_to_phys(page)      (page_to_pfn(page) << PAGE_SHIFT)
 #define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
 
 typedef union ia64_va {
         struct {