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On i386, SOFTWARE_SUSPEND requires the CPU to have PSE support, but DEBUG_PAGEALLOC disables PSE. Thus, allowing both options to be enabled simultaneously makes no sense. This patch disables DEBUG_PAGEALLOC if SOFTWARE_SUSPEND is enabled; it also displays a comment to briefly explain why DEBUG_PAGEALLOC is missing in that case. I have tested this patch against oldconfig and menuconfig on 2.6.11-bk2. Signed-off-by: Barry K. Nathan <barryn@pobox.com> --- linux-2.6.11-bk2/arch/i386/Kconfig.debug 2004-12-24 13:34:45.000000000 -0800 +++ linux-2.6.11-bk2-bkn2/arch/i386/Kconfig.debug 2005-03-06 20:59:07.000000000 -0800 @@ -38,9 +38,12 @@ This option will slow down process creation somewhat. +comment "Page alloc debug is incompatible with Software Suspend on i386" + depends on DEBUG_KERNEL && SOFTWARE_SUSPEND + config DEBUG_PAGEALLOC bool "Page alloc debugging" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND help Unmap pages from the kernel linear mapping after free_pages(). This results in a large slowdown, but helps to find certain types - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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