printk: move CONSOLE_EXT_LOG_MAX to kernel/printk/printk.c

This macro is only used in kernel/printk/printk.c

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

include/linux/printk.h

@@ -44,8 +44,6 @@ static inline const char *printk_skip_headers(const char *buffer)
 	return buffer;
 }
 
-#define CONSOLE_EXT_LOG_MAX	8192
-
 /* We show everything that is MORE important than this.. */
 #define CONSOLE_LOGLEVEL_SILENT  0 /* Mum's the word */
 #define CONSOLE_LOGLEVEL_DEBUG	10 /* issue debug messages */

kernel/printk/printk.c

@@ -617,6 +617,8 @@ static ssize_t msg_print_ext_body(char *buf, size_t size,
 	return len;
 }
 
+#define CONSOLE_EXT_LOG_MAX	8192
+
 /* /dev/kmsg - userspace message inject/listen interface */
 struct devkmsg_user {
 	u64 seq;