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x86: enable DEBUG_PAGEALLOC on 64-bit
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enable CONFIG_DEBUG_PAGEALLOC=y on 64-bit kernels too.

preliminary testing shows that it's working fine.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Ingo Molnar committed Jan 30, 2008
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Expand Up @@ -41,7 +41,6 @@ comment "Page alloc debug is incompatible with Software Suspend on i386"
config DEBUG_PAGEALLOC
bool "Debug page memory allocations"
depends on DEBUG_KERNEL && !HIBERNATION && !HUGETLBFS
depends on X86_32
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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