Commit-ID: fb39f98d14d2c92531e79bcda5a0b802e2aaf202 Gitweb: http://git.kernel.org/tip/fb39f98d14d2c92531e79bcda5a0b802e2aaf202 Author: Ingo Molnar <mingo@xxxxxxxxxx> AuthorDate: Wed, 1 Jul 2015 10:19:11 +0200 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Wed, 1 Jul 2015 10:19:11 +0200 printk: Increase maximum CONFIG_LOG_BUF_SHIFT from 21 to 25 So I tried to some kernel debugging that produced a ton of kernel messages on a big box, and wanted to save them all: but CONFIG_LOG_BUF_SHIFT maxes out at 21 (2 MB). Increase it to 25 (32 MB). This does not affect any existing config or defaults. Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- init/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/init/Kconfig b/init/Kconfig index b999fa3..db615e7 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -820,7 +820,7 @@ config IKCONFIG_PROC config LOG_BUF_SHIFT int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" - range 12 21 + range 12 25 default 17 depends on PRINTK help -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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