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| author | Matt Mackall <mpm@selenic.com> | 2005-05-01 08:59:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-01 08:59:02 -0700 |
| commit | d59745ce3e7aa13856bca16d3bcbb95041775ff6 (patch) | |
| tree | 6e495bb6697d86534685bf813c43e210a8d8323a /init/Kconfig | |
| parent | cd7619d6bf36564cf54ff7218ef54e558a741913 (diff) | |
| download | lwn-d59745ce3e7aa13856bca16d3bcbb95041775ff6.tar.gz lwn-d59745ce3e7aa13856bca16d3bcbb95041775ff6.zip | |
[PATCH] clean up kernel messages
Arrange for all kernel printks to be no-ops. Only available if
CONFIG_EMBEDDED.
This patch saves about 375k on my laptop config and nearly 100k on minimal
configs.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 42dca393b94e..40d286d1d118 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -275,6 +275,17 @@ config KALLSYMS_EXTRA_PASS reported. KALLSYMS_EXTRA_PASS is only a temporary workaround while you wait for kallsyms to be fixed. + +config PRINTK + default y + bool "Enable support for printk" if EMBEDDED + help + This option enables normal printk support. Removing it + eliminates most of the message strings from the kernel image + and makes the kernel more or less silent. As this makes it + very difficult to diagnose system problems, saying N here is + strongly discouraged. + config BUG bool "BUG() support" if EMBEDDED default y |