Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6] / arch / sparc64 / Kconfig

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 4c0a50a7655404a9697012b5e45a7b206b73cb54..267afddf63cfaaef0db000a0f0bc5426fa75f6b1 100644 (file)
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -175,17 +175,26 @@ config HUGETLB_PAGE_SIZE_4MB
        bool "4MB"
 
 config HUGETLB_PAGE_SIZE_512K
-       depends on !SPARC64_PAGE_SIZE_4MB
+       depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB
        bool "512K"
 
 config HUGETLB_PAGE_SIZE_64K
-       depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB
+       depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB && !SPARC64_PAGE_SIZE_64K
        bool "64K"
 
 endchoice
 
 endmenu
 
+config ARCH_SPARSEMEM_ENABLE
+       def_bool y
+
+config ARCH_SPARSEMEM_DEFAULT
+       def_bool y
+
+config LARGE_ALLOCS
+       def_bool y
+
 source "mm/Kconfig"
 
 config GENERIC_ISA_DMA
@@ -350,6 +359,15 @@ config SOLARIS_EMUL
 
 endmenu
 
+config SCHED_SMT
+       bool "SMT (Hyperthreading) scheduler support"
+       depends on SMP
+       default y
+       help
+         SMT scheduler support improves the CPU scheduler's decision making
+         when dealing with UltraSPARC cpus at a cost of slightly increased
+         overhead in some places. If unsure say N here.
+
 config CMDLINE_BOOL
        bool "Default bootloader kernel arguments"