3 files changed, 4 insertions, 8 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 07d209c9507f..467497ade45f 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -54,10 +54,6 @@
 #include <asm/sal.h>
 #include <asm/cyclone.h>
 
-#define BAD_MADT_ENTRY(entry, end) (                                        \
-                (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
-
 #define PREFIX                  "ACPI: "
 
 unsigned int acpi_cpei_override;
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 1dac94265b59..123f9e37eee4 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -53,10 +53,6 @@ EXPORT_SYMBOL(acpi_disabled);
 # include <asm/proto.h>
 #endif                          /* X86 */
 
-#define BAD_MADT_ENTRY(entry, end) (                                        \
-                (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
-
 #define PREFIX                  "ACPI: "
 
 int acpi_noirq;                         /* skip ACPI IRQ initialization */
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 1151a1dcfe41..6a15dddbaa09 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -108,6 +108,10 @@ static inline void acpi_initrd_override(void *data, size_t size)
 }
 #endif
 
+#define BAD_MADT_ENTRY(entry, end) (                                        \
+                (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
+                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
+
 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 void __acpi_unmap_table(char *map, unsigned long size);
 int early_acpi_boot_init(void);