X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=mm%2FKconfig;h=332f5c29b53a3c04665e4d727fc50dbfde609fb2;hb=cfd95a9cf58cd9e92d4c23b5ee20b07a3d121477;hp=21eb51d4da8fde9e987f22618bbdd609a8065116;hpb=be37bdbce7ceaacf4f20c6cc759efbe75ebd1196;p=~andy%2Flinux diff --git a/mm/Kconfig b/mm/Kconfig index 21eb51d4da8..332f5c29b53 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -11,7 +11,7 @@ choice config FLATMEM_MANUAL bool "Flat Memory" - depends on !ARCH_DISCONTIGMEM_ENABLE || ARCH_FLATMEM_ENABLE + depends on !(ARCH_DISCONTIGMEM_ENABLE || ARCH_SPARSEMEM_ENABLE) || ARCH_FLATMEM_ENABLE help This option allows you to change some of the ways that Linux manages its memory internally. Most users will @@ -132,3 +132,16 @@ config SPLIT_PTLOCK_CPUS default "4096" if ARM && !CPU_CACHE_VIPT default "4096" if PARISC && !PA20 default "4" + +# +# support for page migration +# +config MIGRATION + bool "Page migration" + def_bool y if NUMA + depends on SWAP && NUMA + help + Allows the migration of the physical location of pages of processes + 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.