x86: EFI_PAGE_SHIFT fix

[pandora-kernel.git] / include / linux / efi.h

diff --git a/include/linux/efi.h b/include/linux/efi.h
index 14813b5..a5f359a 100644 (file)
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -18,6 +18,7 @@
 #include <linux/proc_fs.h>
 #include <linux/rtc.h>
 #include <linux/ioport.h>
+#include <linux/pfn.h>
 
 #include <asm/page.h>
 #include <asm/system.h>
@@ -394,4 +395,10 @@ struct efi_generic_dev_path {
        u16 length;
 } __attribute ((packed));
 
+static inline void memrange_efi_to_native(u64 *addr, u64 *npages)
+{
+       *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr);
+       *addr &= PAGE_MASK;
+}
+
 #endif /* _LINUX_EFI_H */