X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2FKconfig;h=b0673066841223074db7e14c50b5a03db2de02a9;hb=937085aa35cc873d427d250a1e304d641af24628;hp=a17da8bafe62758b6f0d86816d9d6c64b464e687;hpb=5884c40668a928bba017eaf54e2eb3c01c8a98e6;p=linux-2.6-omap-h63xx.git diff --git a/mm/Kconfig b/mm/Kconfig index a17da8bafe6..b0673066841 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -112,15 +112,28 @@ config SPARSEMEM_EXTREME def_bool y depends on SPARSEMEM && !SPARSEMEM_STATIC +# +# SPARSEMEM_VMEMMAP uses a virtually mapped mem_map to optimise pfn_to_page +# and page_to_pfn. The most efficient option where kernel virtual space is +# not under pressure. +# +config SPARSEMEM_VMEMMAP_ENABLE + def_bool n + +config SPARSEMEM_VMEMMAP + bool + depends on SPARSEMEM + default y if (SPARSEMEM_VMEMMAP_ENABLE) + # eventually, we can have this option just 'select SPARSEMEM' config MEMORY_HOTPLUG bool "Allow for memory hot-add" depends on SPARSEMEM || X86_64_ACPI_NUMA - depends on HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG - depends on (IA64 || X86 || PPC64) + depends on HOTPLUG && !HIBERNATION && ARCH_ENABLE_MEMORY_HOTPLUG + depends on (IA64 || X86 || PPC64 || SUPERH) comment "Memory hotplug is currently incompatible with Software Suspend" - depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND + depends on SPARSEMEM && HOTPLUG && HIBERNATION config MEMORY_HOTPLUG_SPARSE def_bool y @@ -137,6 +150,7 @@ config SPLIT_PTLOCK_CPUS int default "4096" if ARM && !CPU_CACHE_VIPT default "4096" if PARISC && !PA20 + default "4096" if XEN default "4" # @@ -163,8 +177,16 @@ config ZONE_DMA_FLAG default "0" if !ZONE_DMA default "1" +config BOUNCE + def_bool y + depends on BLOCK && MMU && (ZONE_DMA || HIGHMEM) + config NR_QUICK int depends on QUICKLIST - default "2" if SUPERH + default "2" if (SUPERH && !SUPERH64) default "1" + +config VIRT_TO_BUS + def_bool y + depends on !ARCH_NO_VIRT_TO_BUS