Merge commit 'v2.6.28-rc8' into x86/mm

[mv-sheeva.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ac22bb7719f730e6b8d12b305ec9e08952a513a4..cb6a58b77126c5dab5f5043176766ee9a1107182 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -956,6 +956,15 @@ config X86_PAE
 config ARCH_PHYS_ADDR_T_64BIT
        def_bool X86_64 || X86_PAE
 
+config DIRECT_GBPAGES
+       bool "Enable 1GB pages for kernel pagetables" if EMBEDDED
+       default y
+       depends on X86_64
+       help
+         Allow the kernel linear mapping to use 1GB pages on CPUs that
+         support it. This can improve the kernel's performance a tiny bit by
+         reducing TLB pressure. If in doubt, say "Y".
+
 # Common NUMA Features
 config NUMA
        bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
@@ -1493,6 +1502,10 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
        def_bool y
        depends on X86_64 || (X86_32 && HIGHMEM)
 
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+       def_bool y
+       depends on MEMORY_HOTPLUG
+
 config HAVE_ARCH_EARLY_PFN_TO_NID
        def_bool X86_64
        depends on NUMA