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authorGeert Uytterhoeven <geert@linux-m68k.org>2014-10-13 15:51:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 02:18:12 +0200
commit2240a31db67582468e2f7a5a5962b7d0ffaaa6a4 (patch)
tree5a061c2ca769ba610df8471b08ee4d6b7f0cf02f /init/Kconfig
parentde9e14eebf33a60712a52a0bc6e08c043c0aba53 (diff)
downloadlinux-linaro-stable-2240a31db67582468e2f7a5a5962b7d0ffaaa6a4.tar.gz
printk: don't bother using LOG_CPU_MAX_BUF_SHIFT on !SMP
When configuring a uniprocessor kernel, don't bother the user with an irrelevant LOG_CPU_MAX_BUF_SHIFT question, and don't build the unused code. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 1c505e090422..3ee28ae02cc8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -838,6 +838,7 @@ config LOG_BUF_SHIFT
config LOG_CPU_MAX_BUF_SHIFT
int "CPU kernel log buffer size contribution (13 => 8 KB, 17 => 128KB)"
+ depends on SMP
range 0 21
default 12 if !BASE_SMALL
default 0 if BASE_SMALL