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[PATCH] V5 ia64 SPARSEMEM - Kconfig and Makefile
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
Tony Luck
parent
dd7205ed0f
commit
da9577c531
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@ -63,8 +63,6 @@ config IA64_GENERIC
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select ACPI
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select NUMA
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select ACPI_NUMA
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select VIRTUAL_MEM_MAP
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select DISCONTIGMEM
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help
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This selects the system type of your hardware. A "generic" kernel
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will run on any supported IA-64 system. However, if you configure
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@ -176,40 +174,6 @@ config IA64_L1_CACHE_SHIFT
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default "6" if ITANIUM
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# align cache-sensitive data to 64 bytes
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config NUMA
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bool "NUMA support"
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depends on !IA64_HP_SIM
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default y if IA64_SGI_SN2
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select ACPI_NUMA
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help
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Say Y to compile the kernel to support NUMA (Non-Uniform Memory
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Access). This option is for configuring high-end multiprocessor
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server systems. If in doubt, say N.
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config VIRTUAL_MEM_MAP
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bool "Virtual mem map"
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default y if !IA64_HP_SIM
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help
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Say Y to compile the kernel with support for a virtual mem map.
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This code also only takes effect if a memory hole of greater than
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1 Gb is found during boot. You must turn this option on if you
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require the DISCONTIGMEM option for your machine. If you are
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unsure, say Y.
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config HOLES_IN_ZONE
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bool
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default y if VIRTUAL_MEM_MAP
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config ARCH_DISCONTIGMEM_ENABLE
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bool "Discontiguous memory support"
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depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) && NUMA && VIRTUAL_MEM_MAP
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default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
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help
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Say Y to support efficient handling of discontiguous physical memory,
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for architectures which are either NUMA (Non-Uniform Memory Access)
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or have huge holes in the physical address space for other reasons.
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See <file:Documentation/vm/numa> for more.
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config IA64_CYCLONE
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bool "Cyclone (EXA) Time Source support"
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help
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@ -232,8 +196,10 @@ config IA64_SGI_SN_XP
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based on a network adapter and DMA messaging.
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config FORCE_MAX_ZONEORDER
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int
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default "18"
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int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
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range 11 17 if !HUGETLB_PAGE
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default "17" if HUGETLB_PAGE
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default "11"
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config SMP
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bool "Symmetric multi-processing support"
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@ -298,6 +264,58 @@ config PREEMPT
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source "mm/Kconfig"
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config ARCH_SELECT_MEMORY_MODEL
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def_bool y
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config ARCH_DISCONTIGMEM_ENABLE
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def_bool y
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help
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Say Y to support efficient handling of discontiguous physical memory,
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for architectures which are either NUMA (Non-Uniform Memory Access)
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or have huge holes in the physical address space for other reasons.
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See <file:Documentation/vm/numa> for more.
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config ARCH_FLATMEM_ENABLE
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def_bool y
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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depends on ARCH_DISCONTIGMEM_ENABLE
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config ARCH_DISCONTIGMEM_DEFAULT
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def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
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depends on ARCH_DISCONTIGMEM_ENABLE
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config NUMA
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bool "NUMA support"
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depends on !IA64_HP_SIM && !FLATMEM
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default y if IA64_SGI_SN2
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help
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Say Y to compile the kernel to support NUMA (Non-Uniform Memory
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Access). This option is for configuring high-end multiprocessor
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server systems. If in doubt, say N.
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# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
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# VIRTUAL_MEM_MAP has been retained for historical reasons.
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config VIRTUAL_MEM_MAP
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bool "Virtual mem map"
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depends on !SPARSEMEM
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default y if !IA64_HP_SIM
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help
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Say Y to compile the kernel with support for a virtual mem map.
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This code also only takes effect if a memory hole of greater than
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1 Gb is found during boot. You must turn this option on if you
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require the DISCONTIGMEM option for your machine. If you are
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unsure, say Y.
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config HOLES_IN_ZONE
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bool
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default y if VIRTUAL_MEM_MAP
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config HAVE_ARCH_EARLY_PFN_TO_NID
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def_bool y
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depends on NEED_MULTIPLE_NODES
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config IA32_SUPPORT
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bool "Support for Linux/x86 binaries"
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help
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@ -7,6 +7,5 @@ obj-y := init.o fault.o tlb.o extable.o
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obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_DISCONTIGMEM) += discontig.o
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ifndef CONFIG_DISCONTIGMEM
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obj-y += contig.o
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endif
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obj-$(CONFIG_SPARSEMEM) += discontig.o
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obj-$(CONFIG_FLATMEM) += contig.o
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