x86: use possible_cpus=NUM to extend the possible cpus allowed

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

diff --git a/init/Kconfig b/init/Kconfig
index 86b00c53fadeb833d054fab64d13fb9a0e8d6fde..b3782c6d5ede57f94446de710213a2b20deed283 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -354,7 +354,7 @@ config RT_GROUP_SCHED
          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.
+         See Documentation/scheduler/sched-rt-group.txt for more information.
 
 choice
        depends on GROUP_SCHED
@@ -771,8 +771,7 @@ config SLAB
        help
          The regular slab allocator that is established and known to work
          well in all environments. It organizes cache hot objects in
-         per cpu and per node queues. SLAB is the default choice for
-         a slab allocator.
+         per cpu and per node queues.
 
 config SLUB
        bool "SLUB (Unqueued Allocator)"
@@ -781,7 +780,8 @@ config SLUB
           instead of managing queues of cached objects (SLAB approach).
           Per cpu caching is realized using slabs of objects instead
           of queues of objects. SLUB can use memory efficiently
-          and has enhanced diagnostics.
+          and has enhanced diagnostics. SLUB is the default choice for
+          a slab allocator.
 
 config SLOB
        depends on EMBEDDED
@@ -808,6 +808,7 @@ config TRACEPOINTS
 
 config MARKERS
        bool "Activate markers"
+       depends on TRACEPOINTS
        help
          Place an empty function call at each marker site. Can be
          dynamically changed for a probe function.
@@ -916,6 +917,15 @@ config KMOD
 
 endif # MODULES
 
+config INIT_ALL_POSSIBLE
+       bool
+       help
+         Back when each arch used to define their own cpu_online_map and
+         cpu_possible_map, some of them chose to initialize cpu_possible_map
+         with all 1s, and others with all 0s.  When they were centralised,
+         it was better to provide this option than to break all the archs
+         and have several arch maintainers persuing me down dark alleys.
+
 config STOP_MACHINE
        bool
        default y