[v3,6/6] x86: allocate space within a region top-down

Commit Message

Bjorn Helgaas Oct. 13, 2010, 4:15 p.m. UTC

None

Patch

diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 30a3e97..6cc02c4 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -35,6 +35,7 @@ 
   */
 
 #define ARCH_HAS_IOREMAP_WC
+#define ARCH_HAS_TOP_DOWN_ALLOC
 
 #include <linux/string.h>
 #include <linux/compiler.h>