1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 9cab18b0b857..00b8bdc64c3e 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -9,6 +9,8 @@
 
 #include <asm/e820.h>
 
+#define _MAX_MEM_PATTERNS 4
+
 static void __init memtest(unsigned long start_phys, unsigned long size,
                                  unsigned pattern)
 {
@@ -21,6 +23,8 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
         unsigned long count;
         unsigned long incr;
 
+        pattern = pattern % _MAX_MEM_PATTERNS;
+
         switch (pattern) {
         case 0:
                 val = 0UL;
@@ -110,8 +114,9 @@ void __init early_memtest(unsigned long start, unsigned long end)
                                 t_size = end - t_start;
 
                         printk(KERN_CONT "\n  %010llx - %010llx pattern %d",
-                                (unsigned long long)t_start,
-                                (unsigned long long)t_start + t_size, pattern);
+                               (unsigned long long)t_start,
+                               (unsigned long long)t_start + t_size,
+                               pattern % _MAX_MEM_PATTERNS);
 
                         memtest(t_start, t_size, pattern);