[PATCH] sparsemem memory model for i386
Provide the architecture specific implementation for SPARSEMEM for i386 SMP
and NUMA systems.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Martin Bligh <mbligh@aracnet.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index f0064b5..bfdcede 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -68,7 +68,6 @@
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
- select DISCONTIGMEM
select NUMA
help
This option is used for getting Linux to run on a (IBM/Sequent) NUMA
@@ -783,11 +782,6 @@
comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
-config ARCH_DISCONTIGMEM_ENABLE
- bool
- depends on NUMA
- default y
-
config HAVE_ARCH_BOOTMEM_NODE
bool
depends on NUMA
@@ -800,7 +794,7 @@
config NEED_NODE_MEMMAP_SIZE
bool
- depends on DISCONTIGMEM
+ depends on DISCONTIGMEM || SPARSEMEM
default y
config HAVE_ARCH_ALLOC_REMAP
@@ -808,6 +802,22 @@
depends on NUMA
default y
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool y
+ depends on NUMA
+
+config ARCH_DISCONTIGMEM_DEFAULT
+ def_bool y
+ depends on NUMA
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ depends on NUMA
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+ depends on ARCH_SPARSEMEM_ENABLE
+
source "mm/Kconfig"
config HAVE_ARCH_EARLY_PFN_TO_NID