X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=blobdiff_plain;f=mm%2FKconfig;h=7942b333e46cd46c11ac0f4a849c7b98efeee58e;hp=66e65ab3942651e86f2fbbadcf914fd600e41600;hb=93bbad8fe13a25dcf7f3bc628a71d1a7642ae61b;hpb=816724e65c72a90a44fbad0ef0b59b186c85fa90 diff --git a/mm/Kconfig b/mm/Kconfig index 66e65ab39426..7942b333e46c 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -92,7 +92,7 @@ config HAVE_MEMORY_PRESENT # # SPARSEMEM_EXTREME (which is the default) does some bootmem -# allocations when memory_present() is called. If this can not +# allocations when memory_present() is called. If this cannot # be done on your architecture, select this option. However, # statically allocating the mem_section[] array can potentially # consume vast quantities of .bss, so be careful. @@ -104,7 +104,7 @@ config SPARSEMEM_STATIC def_bool n # -# Architectecture platforms which require a two level mem_section in SPARSEMEM +# Architecture platforms which require a two level mem_section in SPARSEMEM # must select this option. This is usually for architecture platforms with # an extremely sparse physical address space. # @@ -115,11 +115,17 @@ config SPARSEMEM_EXTREME # eventually, we can have this option just 'select SPARSEMEM' config MEMORY_HOTPLUG bool "Allow for memory hot-add" - depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND + depends on SPARSEMEM || X86_64_ACPI_NUMA + depends on HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG + depends on (IA64 || X86 || PPC64) comment "Memory hotplug is currently incompatible with Software Suspend" depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND +config MEMORY_HOTPLUG_SPARSE + def_bool y + depends on SPARSEMEM && MEMORY_HOTPLUG + # Heavily threaded applications may benefit from splitting the mm-wide # page_table_lock, so that faults on different parts of the user address # space can be handled with less contention: split it at this NR_CPUS. @@ -145,3 +151,15 @@ config MIGRATION while the virtual addresses are not changed. This is useful for example on NUMA systems to put pages nearer to the processors accessing the page. + +config RESOURCES_64BIT + bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT && EXPERIMENTAL) + default 64BIT + help + This option allows memory and IO resources to be 64 bit. + +config ZONE_DMA_FLAG + int + default "0" if !ZONE_DMA + default "1" +