[PATCH] making the printk buffer bigger

Martin J. Bligh (Martin.Bligh@us.ibm.com)
Mon, 22 Oct 2001 16:24:47 -0700


For larger machines, 16K isn't big enough to hold all the boot
messages - which means some of the earlier boot messages don't
make it to the log files.

Could you add this tiny patch to fix it?

Thanks,

Martin.

diff -urN virgin-2.4.13-pre2/kernel/printk.c linux-2.4.13-pre2/kernel/printk.c
--- virgin-2.4.13-pre2/kernel/printk.c Mon Sep 17 13:16:30 2001
+++ linux-2.4.13-pre2/kernel/printk.c Mon Oct 15 13:15:37 2001
@@ -27,7 +27,12 @@

#include <asm/uaccess.h>

-#define LOG_BUF_LEN (16384) /* This must be a power of two */
+#ifdef CONFIG_SMP
+#define LOG_BUF_LEN (65536) /* This must be a power of two */
+#else
+#define LOG_BUF_LEN (16384) /* This must be a power of two */
+#endif
+
#define LOG_BUF_MASK (LOG_BUF_LEN-1)

/* printk's without a loglevel use this.. */

-
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