1 files changed, 8 insertions, 9 deletions

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index aca924a30ee6..83ed74affba9 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -22,13 +22,17 @@
 #include <asm/pgalloc.h>
 #include <asm/pat.h>
 
-#ifdef CONFIG_X86_64
-
-static inline int phys_addr_valid(unsigned long addr)
+static inline int phys_addr_valid(resource_size_t addr)
 {
-        return addr < (1UL << boot_cpu_data.x86_phys_bits);
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
+        return !(addr >> boot_cpu_data.x86_phys_bits);
+#else
+        return 1;
+#endif
 }
 
+#ifdef CONFIG_X86_64
+
 unsigned long __phys_addr(unsigned long x)
 {
         if (x >= __START_KERNEL_map) {
@@ -65,11 +69,6 @@ EXPORT_SYMBOL(__virt_addr_valid);
 
 #else
 
-static inline int phys_addr_valid(unsigned long addr)
-{
-        return 1;
-}
-
 #ifdef CONFIG_DEBUG_VIRTUAL
 unsigned long __phys_addr(unsigned long x)
 {