m68k: discontinuous memory support
Fix support for discontinuous memory
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index b8536c7..85cdd23 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -355,8 +355,9 @@
adventurous.
config SINGLE_MEMORY_CHUNK
- bool "Use one physical chunk of memory only"
- depends on ADVANCED && !SUN3
+ bool "Use one physical chunk of memory only" if ADVANCED && !SUN3
+ default y if SUN3
+ select NEED_MULTIPLE_NODES
help
Ignore all but the first contiguous chunk of physical memory for VM
purposes. This will save a few bytes kernel size and may speed up
@@ -377,6 +378,14 @@
is hardwired on. The 53c710 SCSI driver is known to suffer from
this problem.
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool !SINGLE_MEMORY_CHUNK
+
+config NODES_SHIFT
+ int
+ default "3"
+ depends on !SINGLE_MEMORY_CHUNK
+
source "mm/Kconfig"
endmenu