[PATCH] add x86-64 Kconfig options for sparsemem
Add the requisite arch specific Kconfig options to enable the use of the sparsemem implementation for NUMA kernels on x86-64. Signed-off-by: Matt Tolentino <matthew.e.tolentino@intel.com> 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>
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@ -274,8 +274,27 @@ config NUMA
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bool
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default n
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config ARCH_DISCONTIGMEM_ENABLE
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def_bool y
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depends on NUMA
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config ARCH_DISCONTIGMEM_DEFAULT
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def_bool y
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depends on NUMA
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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depends on NUMA
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config ARCH_FLATMEM_ENABLE
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def_bool y
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depends on !NUMA
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source "mm/Kconfig"
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config HAVE_ARCH_EARLY_PFN_TO_NID
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def_bool y
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config HAVE_DEC_LOCK
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bool
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depends on SMP
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