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Commit 8f469246 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86: enable CONFIG_DEBUG_PAGEALLOC more widely 



make CONFIG_DEBUG_PAGEALLOC universally available.

CONFIG_HIBERNATION and CONFIG_HUGETLBFS was disabling it, for no
particular reason.

If there are any unfixed bugs here we'll fix it, but do not disable
vital debugging facilities like that ..

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent ee01f112

arch/x86/Kconfig.debug

+1 −1
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 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 DEBUG_KERNEL

	help

	  Unmap pages from the kernel linear mapping after free_pages().

	  This results in a large slowdown, but helps to find certain types