More EFI fixes.

arch/ia64/kernel/efi.c

@@ -259,7 +259,8 @@ efi_map_pal_code (void)
 
 		mask  = ~((1 << IA64_GRANULE_SHIFT) - 1);
 		printk("CPU %d: mapping PAL code [0x%lx-0x%lx) into [0x%lx-0x%lx)\n",
-		       smp_processor_id(), md->phys_addr, md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
+		       smp_processor_id(), md->phys_addr,
+		       md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
 		       vaddr & mask, (vaddr & mask) + IA64_GRANULE_SIZE);
 
 		/*
@@ -375,7 +376,8 @@ efi_init (void)
 			md = p;
 			printk("mem%02u: type=%u, attr=0x%lx, range=[0x%016lx-0x%016lx) (%luMB)\n",
 			       i, md->type, md->attribute, md->phys_addr,
-			       md->phys_addr + (md->num_pages<<EFI_PAGE_SHIFT) - 1, md->num_pages >> 8);
+			       md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1,
+			       md->num_pages >> (20 - EFI_PAGE_SHIFT));
 		}
 	}
 #endif
@@ -495,6 +497,7 @@ efi_mem_type (u64 phys_addr)
 
 	for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
 		md = p;
+
 		if ((md->phys_addr <= phys_addr) && (phys_addr <=
 		    (md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1)))
 			 return md->type;
@@ -502,8 +505,29 @@ efi_mem_type (u64 phys_addr)
 	return 0;
 }
 
+u64
+efi_mem_attributes (u64 phys_addr)
+{
+	void *efi_map_start, *efi_map_end, *p;
+	efi_memory_desc_t *md;
+	u64 efi_desc_size;
+
+	efi_map_start = __va(ia64_boot_param->efi_memmap);
+	efi_map_end   = efi_map_start + ia64_boot_param->efi_memmap_size;
+	efi_desc_size = ia64_boot_param->efi_memdesc_size;
+
+	for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
+		md = p;
+
+		if ((md->phys_addr <= phys_addr) && (phys_addr <=
+		    (md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1)))
+			return md->attribute;
+	}
+	return 0;
+}
+
 static void __exit
-efivars_exit(void)
+efivars_exit (void)
 {
 #ifdef CONFIG_PROC_FS
  	remove_proc_entry(efi_dir->name, NULL);