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authorMatt Mackall <mpm@selenic.com>2005-05-01 08:59:02 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 08:59:02 -0700
commitd59745ce3e7aa13856bca16d3bcbb95041775ff6 (patch)
tree6e495bb6697d86534685bf813c43e210a8d8323a /init/Kconfig
parent[PATCH] Exterminate PAGE_BUG (diff)
downloadlinux-dev-d59745ce3e7aa13856bca16d3bcbb95041775ff6.tar.xz
linux-dev-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/Kconfig11
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