[PATCH] ppc64: Convert NUMA to sparsemem (3)

[karo-tx-linux.git] / arch / ppc64 / Kconfig

diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index b987164fca4cb714f7a68476e82d9ae27c0d863d..9d10c12e87fee6863ae0e0567f43b1d9453aa90f 100644 (file)
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -47,11 +47,16 @@ config ARCH_MAY_HAVE_PC_FDC
        bool
        default y
 
+config PPC_STD_MMU
+       bool
+       default y
+
 # We optimistically allocate largepages from the VM, so make the limit
 # large enough (16MB). This badly named config option is actually
 # max order + 1
 config FORCE_MAX_ZONEORDER
        int
+       default "9" if PPC_64K_PAGES
        default "13"
 
 source "init/Kconfig"
@@ -169,6 +174,16 @@ config KEXEC
          support.  As of this writing the exact hardware interface is
          strongly in flux, so no good recommendation can be made.
 
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_PMAC64
+       bool "Support for some Apple G5s"
+       depends on CPU_FREQ && PMAC_SMU && PPC64
+       select CPU_FREQ_TABLE
+       help
+         This adds support for frequency switching on Apple iMac G5,
+         and some of the more recent desktop G5 machines as well.
+
 config IBMVIO
        depends on PPC_PSERIES || PPC_ISERIES
        bool
@@ -264,17 +279,12 @@ config ARCH_FLATMEM_ENABLE
        def_bool y
        depends on !NUMA
 
-config ARCH_DISCONTIGMEM_ENABLE
-       def_bool y
-       depends on SMP && PPC_PSERIES
-
-config ARCH_DISCONTIGMEM_DEFAULT
+config ARCH_SPARSEMEM_ENABLE
        def_bool y
-       depends on ARCH_DISCONTIGMEM_ENABLE
 
-config ARCH_SPARSEMEM_ENABLE
+config ARCH_SPARSEMEM_DEFAULT
        def_bool y
-       depends on ARCH_DISCONTIGMEM_ENABLE
+       depends on NUMA
 
 source "mm/Kconfig"
 
@@ -282,6 +292,10 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
        def_bool y
        depends on NEED_MULTIPLE_NODES
 
+config ARCH_MEMORY_PROBE
+       def_bool y
+       depends on MEMORY_HOTPLUG
+
 # Some NUMA nodes have memory ranges that span
 # other nodes.  Even though a pfn is valid and
 # between a node's start and end pfns, it may not
@@ -294,6 +308,15 @@ config NODES_SPAN_OTHER_NODES
        def_bool y
        depends on NEED_MULTIPLE_NODES
 
+config PPC_64K_PAGES
+       bool "64k page size"
+       help
+         This option changes the kernel logical page size to 64k. On machines
+          without processor support for 64k pages, the kernel will simulate
+          them by loading each individual 4k page on demand transparently,
+          while on hardware with such support, it will be used to map
+          normal application pages.
+
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
        depends on SMP