1 files changed, 5 insertions, 1 deletions

diff --git a/include/asm-sparc/setup.h b/include/asm-sparc/setup.h
index b3af958a2ad2..2643c62f4ac0 100644
--- a/include/asm-sparc/setup.h
+++ b/include/asm-sparc/setup.h
@@ -5,6 +5,10 @@
 #ifndef _SPARC_SETUP_H
 #define _SPARC_SETUP_H
 
-#define COMMAND_LINE_SIZE       256
+#if defined(__sparc__) && defined(__arch64__)
+# define COMMAND_LINE_SIZE 2048
+#else
+# define COMMAND_LINE_SIZE 256
+#endif
 
 #endif /* _SPARC_SETUP_H */