let LOG_BUF_SHIFT default to 17

16 kB is often no longer enough for a normal boot of an UP system.

And even less when people e.g. use suspend.

17 seems to be a more reasonable default for current kernels on current
hardware (it's just the default, anyone who is memory limited can still lower
it).

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 9 deletions

diff --git a/init/Kconfig b/init/Kconfig
index da071c4bbfb7..e037a5a22b46 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -259,17 +259,14 @@ config IKCONFIG_PROC
 config LOG_BUF_SHIFT
         int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
         range 12 21
-        default 17 if S390 || LOCKDEP
-        default 16 if X86_NUMAQ || IA64
-        default 15 if SMP
-        default 14
+        default 17
         help
           Select kernel log buffer size as a power of 2.
-          Defaults and Examples:
-                     17 => 128 KB for S/390
-                     16 => 64 KB for x86 NUMAQ or IA-64
-                     15 => 32 KB for SMP
-                     14 => 16 KB for uniprocessor
+          Examples:
+                     17 => 128 KB
+                     16 => 64 KB
+                     15 => 32 KB
+                     14 => 16 KB
                      13 =>  8 KB
                      12 =>  4 KB