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

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

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 2a3dfbd5e677b548e5e75f43da69e934b90a7eff..567fe543e09c81d7865993c31d32fd6270c3d8d0 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -114,18 +114,6 @@ config DEBUG_RODATA
          data. This is recommended so that we can catch kernel bugs sooner.
          If in doubt, say "Y".
 
-config DIRECT_GBPAGES
-       bool "Enable gbpages-mapped kernel pagetables"
-       depends on DEBUG_KERNEL && EXPERIMENTAL && X86_64
-       help
-         Enable gigabyte pages support (if the CPU supports it). This can
-         improve the kernel's performance a tiny bit by reducing TLB
-         pressure.
-
-         This is experimental code.
-
-         If in doubt, say "N".
-
 config DEBUG_RODATA_TEST
        bool "Testcase for the DEBUG_RODATA feature"
        depends on DEBUG_RODATA