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[PATCH] V5 ia64 SPARSEMEM - Kconfig and Makefile

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The patch modifies the Kconfig file to introduce the new memory model
options and other related SPARSEMEM changes.  There is also a minor change
in the Makefile.

Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Bob Picco 2005-10-04 15:13:37 -04:00 • committed by Tony Luck
parent dd7205ed0f
commit da9577c531
2 changed files with 58 additions and 41 deletions
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94
arch/ia64/Kconfig
View file

@ -63,8 +63,6 @@ config IA64_GENERIC
select ACPI select ACPI
select NUMA select NUMA
select ACPI_NUMA select ACPI_NUMA
select VIRTUAL_MEM_MAP
select DISCONTIGMEM
help help
This selects the system type of your hardware. A "generic" kernel This selects the system type of your hardware. A "generic" kernel
will run on any supported IA-64 system. However, if you configure will run on any supported IA-64 system. However, if you configure
@ -176,40 +174,6 @@ config IA64_L1_CACHE_SHIFT
default "6" if ITANIUM default "6" if ITANIUM
# align cache-sensitive data to 64 bytes # align cache-sensitive data to 64 bytes
config NUMA
bool "NUMA support"
depends on !IA64_HP_SIM
default y if IA64_SGI_SN2
select ACPI_NUMA
help
Say Y to compile the kernel to support NUMA (Non-Uniform Memory
Access). This option is for configuring high-end multiprocessor
server systems. If in doubt, say N.
config VIRTUAL_MEM_MAP
bool "Virtual mem map"
default y if !IA64_HP_SIM
help
Say Y to compile the kernel with support for a virtual mem map.
This code also only takes effect if a memory hole of greater than
1 Gb is found during boot. You must turn this option on if you
require the DISCONTIGMEM option for your machine. If you are
unsure, say Y.
config HOLES_IN_ZONE
bool
default y if VIRTUAL_MEM_MAP
config ARCH_DISCONTIGMEM_ENABLE
bool "Discontiguous memory support"
depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) && NUMA && VIRTUAL_MEM_MAP
default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
help
Say Y to support efficient handling of discontiguous physical memory,
for architectures which are either NUMA (Non-Uniform Memory Access)
or have huge holes in the physical address space for other reasons.
See <file:Documentation/vm/numa> for more.
config IA64_CYCLONE config IA64_CYCLONE
bool "Cyclone (EXA) Time Source support" bool "Cyclone (EXA) Time Source support"
help help
@ -232,8 +196,10 @@ config IA64_SGI_SN_XP
based on a network adapter and DMA messaging. based on a network adapter and DMA messaging.
config FORCE_MAX_ZONEORDER config FORCE_MAX_ZONEORDER
int int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
default "18" range 11 17 if !HUGETLB_PAGE
default "17" if HUGETLB_PAGE
default "11"
config SMP config SMP
bool "Symmetric multi-processing support" bool "Symmetric multi-processing support"
@ -298,6 +264,58 @@ config PREEMPT
source "mm/Kconfig" source "mm/Kconfig"
config ARCH_SELECT_MEMORY_MODEL
def_bool y
config ARCH_DISCONTIGMEM_ENABLE
def_bool y
help
Say Y to support efficient handling of discontiguous physical memory,
for architectures which are either NUMA (Non-Uniform Memory Access)
or have huge holes in the physical address space for other reasons.
See <file:Documentation/vm/numa> for more.
config ARCH_FLATMEM_ENABLE
def_bool y
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on ARCH_DISCONTIGMEM_ENABLE
config ARCH_DISCONTIGMEM_DEFAULT
def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
depends on ARCH_DISCONTIGMEM_ENABLE
config NUMA
bool "NUMA support"
depends on !IA64_HP_SIM && !FLATMEM
default y if IA64_SGI_SN2
help
Say Y to compile the kernel to support NUMA (Non-Uniform Memory
Access). This option is for configuring high-end multiprocessor
server systems. If in doubt, say N.
# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
# VIRTUAL_MEM_MAP has been retained for historical reasons.
config VIRTUAL_MEM_MAP
bool "Virtual mem map"
depends on !SPARSEMEM
default y if !IA64_HP_SIM
help
Say Y to compile the kernel with support for a virtual mem map.
This code also only takes effect if a memory hole of greater than
1 Gb is found during boot. You must turn this option on if you
require the DISCONTIGMEM option for your machine. If you are
unsure, say Y.
config HOLES_IN_ZONE
bool
default y if VIRTUAL_MEM_MAP
config HAVE_ARCH_EARLY_PFN_TO_NID
def_bool y
depends on NEED_MULTIPLE_NODES
config IA32_SUPPORT config IA32_SUPPORT
bool "Support for Linux/x86 binaries" bool "Support for Linux/x86 binaries"
help help

5
arch/ia64/mm/Makefile
View file

@ -7,6 +7,5 @@ obj-y := init.o fault.o tlb.o extable.o
obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
obj-$(CONFIG_NUMA) += numa.o obj-$(CONFIG_NUMA) += numa.o
obj-$(CONFIG_DISCONTIGMEM) += discontig.o obj-$(CONFIG_DISCONTIGMEM) += discontig.o
ifndef CONFIG_DISCONTIGMEM obj-$(CONFIG_SPARSEMEM) += discontig.o
obj-y += contig.o obj-$(CONFIG_FLATMEM) += contig.o
endif