diff --git a/common_linux.h b/common_linux.h
index 8b3d44bfa..45a688d23 100644
--- a/common_linux.h
+++ b/common_linux.h
@@ -68,9 +68,13 @@ extern long int syscall (long int __sysno, ...);
 static inline int my_mbind(void *addr, unsigned long len, int mode,
 			   unsigned long *nodemask, unsigned long maxnode,
 			   unsigned flags) {
+#if defined (LOONGSON3B)
+	return syscall(SYS_mbind, addr, len, mode, nodemask, maxnode, flags);
+#else
 //Fixed randomly SEGFAULT when nodemask==NULL with above Linux 2.6.34
 	unsigned long null_nodemask=0;
 	return syscall(SYS_mbind, addr, len, mode, &null_nodemask, maxnode, flags);
+#endif
 }
 
 static inline int my_set_mempolicy(int mode, const unsigned long *addr, unsigned long flag) {
diff --git a/driver/others/memory.c b/driver/others/memory.c
index ac9c87850..feb45eb58 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -389,12 +389,13 @@ static void *alloc_mmap(void *address){
       if (map_address != (void *)-1) {
 		  
 #ifdef OS_LINUX
-#ifdef DEBUG
-		  int ret;
+#if 1
+	//#ifdef DEBUG
+		  int ret=0;
 		  ret=my_mbind(map_address, BUFFER_SIZE * SCALING, MPOL_PREFERRED, NULL, 0, 0);
 		  if(ret==-1){
 			  int errsv=errno;
-			  perror("alloc_mmap:");
+			  perror("OpenBLAS alloc_mmap:");
 			  printf("error code=%d,\tmap_address=%lx\n",errsv,map_address);
 		  }