On Fri, Nov 11, 2011 at 02:29:53PM +0000, Mel Gorman wrote: > > --- a/mm/Kconfig.debug > > +++ b/mm/Kconfig.debug > > @@ -4,6 +4,7 @@ config DEBUG_PAGEALLOC > > depends on !HIBERNATION || ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC > > depends on !KMEMCHECK > > select PAGE_POISONING if !ARCH_SUPPORTS_DEBUG_PAGEALLOC > > + select WANT_PAGE_DEBUG_FLAGS > > Why not add PAGE_CORRUPT (or preferably PAGE_GUARD) in the same pattern > as PAGE_POISONING already uses? Additional CONFIG_PAGE_GUARD variable, would be duplicate of CONFIG_DEBUG_PAGEALLOC. PAGE_POISONING is needed for compile another file, no such thing would be needed with PAGE_GUARD, hence I'm consider such variable useless. Stanislaw -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>