3 files changed, 6 insertions, 2 deletions

diff --git a/include/asm-x86_64/e820.h b/include/asm-x86_64/e820.h
index 8e94edf0b984..e682edc24a68 100644
--- a/include/asm-x86_64/e820.h
+++ b/include/asm-x86_64/e820.h
@@ -51,6 +51,8 @@ extern int e820_mapped(unsigned long start, unsigned long end, unsigned type);
 
 extern void e820_bootmem_free(pg_data_t *pgdat, unsigned long start,unsigned long end);
 extern void e820_setup_gap(void);
+extern unsigned long e820_hole_size(unsigned long start_pfn,
+                                    unsigned long end_pfn);
 
 extern void __init parse_memopt(char *p, char **end);
 
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 9c4527eb55e2..eeb3088a1c9e 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -22,9 +22,11 @@ extern unsigned int pcibios_assign_all_busses(void);
 extern int no_iommu, force_iommu;
 
 extern unsigned long pci_mem_start;
-#define PCIBIOS_MIN_IO          0x4000
+#define PCIBIOS_MIN_IO          0x1000
 #define PCIBIOS_MIN_MEM         (pci_mem_start)
 
+#define PCIBIOS_MIN_CARDBUS_IO  0x4000
+
 void pcibios_config_init(void);
 struct pci_bus * pcibios_scan_root(int bus);
 extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value);
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 106f666517bb..85549e656eeb 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -32,7 +32,7 @@
 #define ID_MASK         0x00200000
 
 #define desc_empty(desc) \
-               (!((desc)->a + (desc)->b))
+               (!((desc)->a | (desc)->b))
 
 #define desc_equal(desc1, desc2) \
                (((desc1)->a == (desc2)->a) && ((desc1)->b == (desc2)->b))