x86: PAT add set_memory_wc() interface

[sfrench/cifs-2.6.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index e6606e6e99e4f68564316263a6ddbb08b633a22b..a97924bc5b8dcfa87079ee2f9f70ce9988d4bf40 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -366,10 +366,29 @@ config RESOURCE_COUNTERS
           infrastructure that works with cgroups
        depends on CGROUPS
 
+config CGROUP_MEM_RES_CTLR
+       bool "Memory Resource Controller for Control Groups"
+       depends on CGROUPS && RESOURCE_COUNTERS
+       help
+         Provides a memory resource controller that manages both page cache and
+         RSS memory.
+
+         Note that setting this option increases fixed memory overhead
+         associated with each page of memory in the system by 4/8 bytes
+         and also increases cache misses because struct page on many 64bit
+         systems will not fit into a single cache line anymore.
+
+         Only enable when you're ok with these trade offs and really
+         sure you need the memory resource controller.
+
 config SYSFS_DEPRECATED
+       bool
+
+config SYSFS_DEPRECATED_V2
        bool "Create deprecated sysfs files"
        depends on SYSFS
        default y
+       select SYSFS_DEPRECATED
        help
          This option creates deprecated symlinks such as the
          "device"-link, the <subsystem>:<name>-link, and the
@@ -388,21 +407,6 @@ config SYSFS_DEPRECATED
          If you are using a distro with the most recent userspace
          packages, it should be safe to say N here.
 
-config CGROUP_MEM_CONT
-       bool "Memory controller for cgroups"
-       depends on CGROUPS && RESOURCE_COUNTERS
-       help
-         Provides a memory controller that manages both page cache and
-         RSS memory.
-
-         Note that setting this option increases fixed memory overhead
-         associated with each page of memory in the system by 4/8 bytes
-         and also increases cache misses because struct page on many 64bit
-         systems will not fit into a single cache line anymore.
-
-         Only enable when you're ok with these trade offs and really
-         sure you need the memory controller.
-
 config PROC_PID_CPUSET
        bool "Include legacy /proc/<pid>/cpuset file"
        depends on CPUSETS
@@ -861,38 +865,10 @@ source "block/Kconfig"
 config PREEMPT_NOTIFIERS
        bool
 
-choice
-       prompt "RCU implementation type:"
-       default CLASSIC_RCU
-       help
-         This allows you to choose either the classic RCU implementation
-         that is designed for best read-side performance on non-realtime
-         systems, or the preemptible RCU implementation for best latency
-         on realtime systems.  Note that some kernel preemption modes
-         will restrict your choice.
-
-         Select the default if you are unsure.
-
 config CLASSIC_RCU
-       bool "Classic RCU"
+       def_bool !PREEMPT_RCU
        help
          This option selects the classic RCU implementation that is
          designed for best read-side performance on non-realtime
-         systems.
-
-         Say Y if you are unsure.
-
-config PREEMPT_RCU
-       bool "Preemptible RCU"
-       depends on PREEMPT
-       help
-         This option reduces the latency of the kernel by making certain
-         RCU sections preemptible. Normally RCU code is non-preemptible, if
-         this option is selected then read-only RCU sections become
-         preemptible. This helps latency, but may expose bugs due to
-         now-naive assumptions about each RCU read-side critical section
-         remaining on a given CPU through its execution.
-
-         Say N if you are unsure.
-
-endchoice
+         systems.  Classic RCU is the default.  Note that the
+         PREEMPT_RCU symbol is used to select/deselect this option.