1 files changed, 18 insertions, 0 deletions

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 4c0a50a76554..c3685b314d71 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -186,6 +186,15 @@ 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"