linux: avoid need to modify include/linux/pfn.h

Signed-off-by: Jan Beulich <jbeulich@novell.com>

linux-2.6-xen-sparse/arch/i386/mach-xen/setup.c

@@ -67,7 +67,7 @@ char * __init machine_specific_memory_setup(void)
 	if ( rc == -ENOSYS ) {
 		memmap.nr_entries = 1;
 		map[0].addr = 0ULL;
-		map[0].size = PFN_PHYS(xen_start_info->nr_pages);
+		map[0].size = PFN_PHYS((unsigned long long)xen_start_info->nr_pages);
 		/* 8MB slack (to balance backend allocations). */
 		map[0].size += 8ULL << 20;
 		map[0].type = E820_RAM;

linux-2.6-xen-sparse/include/linux/pfn.h

@@ -1,9 +0,0 @@
-#ifndef _LINUX_PFN_H_
-#define _LINUX_PFN_H_
-
-#define PFN_ALIGN(x)	(((unsigned long long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
-#define PFN_UP(x)	(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
-#define PFN_DOWN(x)	((x) >> PAGE_SHIFT)
-#define PFN_PHYS(x)	((unsigned long long)(x) << PAGE_SHIFT)
-
-#endif