From: Andrew Morton <akpm@linux-foundation.org>

drivers/pci/dmar.c: In function 'parse_dmar_table':
drivers/pci/dmar.c:267: error: 'PAGE_SHIFT_4K' undeclared (first use in this function)
drivers/pci/dmar.c:267: error: (Each undeclared identifier is reported only once
drivers/pci/dmar.c:267: error: for each function it appears in.)

Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/pci/dmar.c        |    1 +
 drivers/pci/intel-iommu.h |    1 +
 2 files changed, 2 insertions(+)

diff -puN drivers/pci/dmar.c~genericizing-iova-fix drivers/pci/dmar.c
--- a/drivers/pci/dmar.c~genericizing-iova-fix
+++ a/drivers/pci/dmar.c
@@ -26,6 +26,7 @@
 #include <linux/pci.h>
 #include <linux/dmar.h>
 #include "iova.h"
+#include "intel-iommu.h"
 
 #undef PREFIX
 #define PREFIX "DMAR:"
diff -puN drivers/pci/intel-iommu.h~genericizing-iova-fix drivers/pci/intel-iommu.h
--- a/drivers/pci/intel-iommu.h~genericizing-iova-fix
+++ a/drivers/pci/intel-iommu.h
@@ -23,6 +23,7 @@
 
 #include <linux/types.h>
 #include <linux/msi.h>
+#include <linux/sysdev.h>
 #include "iova.h"
 #include <linux/io.h>
 
_