On Wed, Feb 21, 2001 at 02:30:08AM +0900, Ishikawa wrote:
>
> Has anyone tried 128K buffer size in kernel/printk.c
> and still have the kernel boot (without
> hard to notice memory corruption problems and other subtle bugs)?
> Any hints and tips will be appreciated.
I have used 128k and larger buffer sizes, and I just noticed this
fragment in the RedHat Tux Webserver patch. It creates a 2MB buffer:
--- linux/kernel/printk.c.orig Sun Jan 28 20:24:13 2001
+++ linux/kernel/printk.c Wed Jan 31 23:21:25 2001
@@ -22,7 +22,11 @@
#include <asm/uaccess.h>
-#define LOG_BUF_LEN (16384)
+#if CONFIG_TUX_DEBUG
+# define LOG_BUF_LEN (16384*128)
+#else
+# define LOG_BUF_LEN (16384)
+#endif
#define LOG_BUF_MASK (LOG_BUF_LEN-1)
static char buf[1024];
-
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