X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fx86%2Fmm%2Fmemtest.c;h=00b8bdc64c3e5a37ca05e94fe803b12dbf9eeb85;hb=40823f737e5bd186a1156fb1c28f360260e1e084;hp=9cab18b0b857e2d199d54d402c4a9dd110a58d5c;hpb=3ad4f597058301c97f362e500a32f63f5c950a45;p=firefly-linux-kernel-4.4.55.git

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);