readahead: data structure and routines

[linux-2.6-omap-h63xx.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index fab32a2863710a328b5f41dc7498515fb7d55b5e..640844024ffd1cabbbd60f0ac637b35af8a6b412 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -152,6 +152,19 @@ config DEBUG_SLAB_LEAK
        bool "Memory leak debugging"
        depends on DEBUG_SLAB
 
+config SLUB_DEBUG_ON
+       bool "SLUB debugging on by default"
+       depends on SLUB && SLUB_DEBUG
+       default n
+       help
+         Boot with debugging on by default. SLUB boots by default with
+         the runtime debug capabilities switched off. Enabling this is
+         equivalent to specifying the "slub_debug" parameter on boot.
+         There is no support for more fine grained debug control like
+         possible with slub_debug=xxx. SLUB debugging may be switched
+         off in a kernel built with CONFIG_SLUB_DEBUG_ON by specifying
+         "slub_debug=-".
+
 config DEBUG_PREEMPT
        bool "Debug preemptible kernel"
        depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT