@@ -27,6 +27,7 @@
#include <linux/vmalloc.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <linux/memblock.h>
#include <asm/cp15.h>
#include <asm/cputype.h>
@@ -301,7 +302,8 @@ static void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
* Don't allow RAM to be mapped with mismatched attributes - this
* causes problems with ARMv6+
*/
- if (WARN_ON(pfn_valid(pfn) && mtype != MT_MEMORY_RW))
+ if (WARN_ON(memblock_is_map_memory(PFN_PHYS(pfn)) &&
+ mtype != MT_MEMORY_RW))
return NULL;
area = get_vm_area_caller(size, VM_IOREMAP, caller);