!172 【轻量级 PR】：expand HILOG_BUFFER to reduce the probability of hilog loss

Merge pull request !172 from shenchenkai/N/A

kernel/common/los_hilog.c

@@ -39,7 +39,7 @@
 #include "los_vm_lock.h"
 #include "user_copy.h"
 
-#define HILOG_BUFFER 1024
+#define HILOG_BUFFER 4096
 #define DRIVER_MODE 0666
 #define HILOG_DRIVER "/dev/hilog"