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