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 <[EMAIL PROTECTED]>
--- 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
-
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