[NET]: uninline skb_push, de-bloats a lot

[linux-2.6-omap-h63xx.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 824d48cb67bfd49366ed7fdfa70346f7ac67e005..a97924bc5b8dcfa87079ee2f9f70ce9988d4bf40 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -311,25 +311,36 @@ config CPUSETS
 
          Say N if unsure.
 
 
          Say N if unsure.
 

-config FAIR_GROUP_SCHED
-       bool "Fair group CPU scheduler"
+config GROUP_SCHED
+       bool "Group CPU scheduler"

        default y
        help
          This feature lets CPU scheduler recognize task groups and control CPU
          bandwidth allocation to such task groups.
 
        default y
        help
          This feature lets CPU scheduler recognize task groups and control CPU
          bandwidth allocation to such task groups.
 

+config FAIR_GROUP_SCHED
+       bool "Group scheduling for SCHED_OTHER"
+       depends on GROUP_SCHED
+       default y
+
+config RT_GROUP_SCHED
+       bool "Group scheduling for SCHED_RR/FIFO"
+       depends on EXPERIMENTAL
+       depends on GROUP_SCHED
+       default n
+

 choice
 choice

-       depends on FAIR_GROUP_SCHED
+       depends on GROUP_SCHED

        prompt "Basis for grouping tasks"
        prompt "Basis for grouping tasks"

-       default FAIR_USER_SCHED
+       default USER_SCHED

 
 

-config FAIR_USER_SCHED
+config USER_SCHED

        bool "user id"
        help
          This option will choose userid as the basis for grouping
          tasks, thus providing equal CPU bandwidth to each user.
 
        bool "user id"
        help
          This option will choose userid as the basis for grouping
          tasks, thus providing equal CPU bandwidth to each user.
 

-config FAIR_CGROUP_SCHED
+config CGROUP_SCHED

        bool "Control groups"
        depends on CGROUPS
        help
        bool "Control groups"
        depends on CGROUPS
        help


@@ -355,10 +366,29 @@ config RESOURCE_COUNTERS
           infrastructure that works with cgroups
        depends on CGROUPS
 
           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
 config SYSFS_DEPRECATED

+       bool
+
+config SYSFS_DEPRECATED_V2

        bool "Create deprecated sysfs files"
        depends on SYSFS
        default y
        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
        help
          This option creates deprecated symlinks such as the
          "device"-link, the <subsystem>:<name>-link, and the


@@ -371,17 +401,11 @@ config SYSFS_DEPRECATED
 
          If enabled, this option will also move any device structures
          that belong to a class, back into the /sys/class hierarchy, in
 
          If enabled, this option will also move any device structures
          that belong to a class, back into the /sys/class hierarchy, in

-         order to support older versions of udev.
+         order to support older versions of udev and some userspace
+         programs.

 
 

-         If you are using a distro that was released in 2006 or later,
-         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.
+         If you are using a distro with the most recent userspace
+         packages, it should be safe to say N here.

 
 config PROC_PID_CPUSET
        bool "Include legacy /proc/<pid>/cpuset file"
 
 config PROC_PID_CPUSET
        bool "Include legacy /proc/<pid>/cpuset file"


@@ -841,38 +865,10 @@ source "block/Kconfig"
 config PREEMPT_NOTIFIERS
        bool
 
 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
 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
        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.