slub: #ifdef simplification

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

diff --git a/init/Kconfig b/init/Kconfig
index 7fccf09bb95ad8adeb929829dc1bb624c84ffc82..6a44defac3ec66eba80c99a0d66f3ce299d09858 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -259,17 +259,14 @@ config IKCONFIG_PROC
 config LOG_BUF_SHIFT
        int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
        range 12 21
-       default 17 if S390 || LOCKDEP
-       default 16 if X86_NUMAQ || IA64
-       default 15 if SMP
-       default 14
+       default 17
        help
          Select kernel log buffer size as a power of 2.
-         Defaults and Examples:
-                    17 => 128 KB for S/390
-                    16 => 64 KB for x86 NUMAQ or IA-64
-                    15 => 32 KB for SMP
-                    14 => 16 KB for uniprocessor
+         Examples:
+                    17 => 128 KB
+                    16 => 64 KB
+                    15 => 32 KB
+                    14 => 16 KB
                     13 =>  8 KB
                     12 =>  4 KB
 
@@ -284,6 +281,7 @@ config CGROUPS
 config CGROUP_DEBUG
        bool "Example debug cgroup subsystem"
        depends on CGROUPS
+       default n
        help
          This option enables a simple cgroup subsystem that
          exports useful debugging information about the cgroups
@@ -300,6 +298,13 @@ config CGROUP_NS
           for instance virtual servers and checkpoint/restart
           jobs.
 
+config CGROUP_DEVICE
+       bool "Device controller for cgroups"
+       depends on CGROUPS && EXPERIMENTAL
+       help
+         Provides a cgroup implementing whitelists for devices which
+         a process in the cgroup can mknod or open.
+
 config CPUSETS
        bool "Cpuset support"
        depends on SMP && CGROUPS
@@ -328,6 +333,13 @@ config RT_GROUP_SCHED
        depends on EXPERIMENTAL
        depends on GROUP_SCHED
        default n
+       help
+         This feature lets you explicitly allocate real CPU bandwidth
+         to users or control groups (depending on the "Basis for grouping tasks"
+         setting below. If enabled, it will also make it impossible to
+         schedule realtime tasks for non-root users until you allocate
+         realtime bandwidth for them.
+         See Documentation/sched-rt-group.txt for more information.
 
 choice
        depends on GROUP_SCHED
@@ -366,9 +378,13 @@ config RESOURCE_COUNTERS
           infrastructure that works with cgroups
        depends on CGROUPS
 
+config MM_OWNER
+       bool
+
 config CGROUP_MEM_RES_CTLR
        bool "Memory Resource Controller for Control Groups"
        depends on CGROUPS && RESOURCE_COUNTERS
+       select MM_OWNER
        help
          Provides a memory resource controller that manages both page cache and
          RSS memory.
@@ -381,6 +397,9 @@ config CGROUP_MEM_RES_CTLR
          Only enable when you're ok with these trade offs and really
          sure you need the memory resource controller.
 
+         This config option also selects MM_OWNER config option, which
+         could in turn add some fork/exit overhead.
+
 config SYSFS_DEPRECATED
        bool
 
@@ -489,16 +508,12 @@ source "usr/Kconfig"
 endif
 
 config CC_OPTIMIZE_FOR_SIZE
-       bool "Optimize for size (Look out for broken compilers!)"
+       bool "Optimize for size"
        default y
-       depends on ARM || H8300 || SUPERH || EXPERIMENTAL
        help
          Enabling this option will pass "-Os" instead of "-O2" to gcc
          resulting in a smaller kernel.
 
-         WARNING: some versions of gcc may generate incorrect code with this
-         option.  If problems are observed, a gcc upgrade may be needed.
-
          If unsure, say N.
 
 config SYSCTL
@@ -514,7 +529,7 @@ menuconfig EMBEDDED
 
 config UID16
        bool "Enable 16-bit UID system calls" if EMBEDDED
-       depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
+       depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
        default y
        help
          This enables the legacy 16-bit UID syscall wrappers.
@@ -535,6 +550,17 @@ config SYSCTL_SYSCALL
 
          If unsure say Y here.
 
+config SYSCTL_SYSCALL_CHECK
+       bool "Sysctl checks" if EMBEDDED
+       depends on SYSCTL_SYSCALL
+       default y
+       ---help---
+         sys_sysctl uses binary paths that have been found challenging
+         to properly maintain and use. This enables checks that help
+         you to keep things correct.
+
+         If unsure say Y here.
+
 config KALLSYMS
         bool "Load all symbols for debugging/ksymoops" if EMBEDDED
         default y
@@ -694,7 +720,7 @@ config VM_EVENT_COUNTERS
 config SLUB_DEBUG
        default y
        bool "Enable SLUB debugging support" if EMBEDDED
-       depends on SLUB
+       depends on SLUB && SYSFS
        help
          SLUB has extensive debug support features. Disabling these can
          result in significant savings in code size. This also disables