From: Andy Whitcroft <apw@shadowen.org>

x86 ensures that all of its zone boundaries are correctly aligned to MAX_ORDER
boundaries.  We may therefore disable the additional zone boundary checks in
the buddy allocator.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 arch/i386/Kconfig |    3 +++
 1 files changed, 3 insertions(+)

diff -puN arch/i386/Kconfig~zone-allow-unaligned-zone-boundaries-x86-add-zone-alignment-qualifier arch/i386/Kconfig
--- 25/arch/i386/Kconfig~zone-allow-unaligned-zone-boundaries-x86-add-zone-alignment-qualifier	Fri May 26 14:03:51 2006
+++ 25-akpm/arch/i386/Kconfig	Fri May 26 14:03:51 2006
@@ -571,6 +571,9 @@ config ARCH_SELECT_MEMORY_MODEL
 	def_bool y
 	depends on ARCH_SPARSEMEM_ENABLE
 
+config ARCH_ALIGNED_ZONE_BOUNDARIES
+	def_bool y
+
 source "mm/Kconfig"
 
 config HAVE_ARCH_EARLY_PFN_TO_NID
_