[PATCH] mm/Kconfig: kill unused ARCH_FLATMEM_DISABLE

This used to be used to disable FLATMEM selection, but I decided to change it
to be done generically when DISCONTIG is enabled.  The option is unused, so
this kills it.

Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/mips/Kconfig

@@ -501,10 +501,6 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  or have huge holes in the physical address space for other reasons.
 	  See <file:Documentation/vm/numa> for more.
 
-config ARCH_FLATMEM_DISABLE
-	def_bool y
-	depends on ARCH_DISCONTIGMEM_ENABLE
-
 config NUMA
 	bool "NUMA Support"
 	depends on SGI_IP27

arch/parisc/Kconfig

@@ -157,10 +157,6 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  or have huge holes in the physical address space for other reasons.
 	  See <file:Documentation/vm/numa> for more.
 
-config ARCH_FLATMEM_DISABLE
-	def_bool y
-	depends on ARCH_DISCONTIGMEM_ENABLE
-
 source "mm/Kconfig"
 
 config PREEMPT

arch/sh/Kconfig

@@ -496,10 +496,6 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  or have huge holes in the physical address space for other reasons.
 	  See <file:Documentation/vm/numa> for more.
 
-config ARCH_FLATMEM_DISABLE
-	def_bool y
-	depends on ARCH_DISCONTIGMEM_ENABLE
-
 source "mm/Kconfig"
 
 config ZERO_PAGE_OFFSET