1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index b6ece223562d..c299b853b5ba 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -16,7 +16,7 @@
 /* BIO layer definitions. */
 extern unsigned long kern_base, kern_size;
 #define page_to_phys(page)      (page_to_pfn(page) << PAGE_SHIFT)
-#define BIO_VMERGE_BOUNDARY     0
+#define BIO_VMERGE_BOUNDARY     8192
 
 static inline u8 _inb(unsigned long addr)
 {