proc: remove write-only variable in proc_pident_lookup()

[safe/jmp/linux-2.6] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 124ece1..2e75478 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -553,6 +553,16 @@ config DEBUG_SG
 
          If unsure, say N.
 
+config DEBUG_NOTIFIERS
+       bool "Debug notifier call chains"
+       depends on DEBUG_KERNEL
+       help
+         Enable this to turn on sanity checking for notifier call chains.
+         This is most useful for kernel developers to make sure that
+         modules properly unregister themselves from notifier chains.
+         This is a relatively cheap check but if you care about maximum
+         performance, say N.
+
 config FRAME_POINTER
        bool "Compile the kernel with frame pointers"
        depends on DEBUG_KERNEL && \
@@ -627,6 +637,19 @@ config RCU_CPU_STALL_DETECTOR
 
          Say N if you are unsure.
 
+config RCU_CPU_STALL_DETECTOR
+       bool "Check for stalled CPUs delaying RCU grace periods"
+       depends on CLASSIC_RCU || TREE_RCU
+       default n
+       help
+         This option causes RCU to printk information on which
+         CPUs are delaying the current grace period, but only when
+         the grace period extends for excessive time periods.
+
+         Say Y if you want RCU to perform such checks.
+
+         Say N if you are unsure.
+
 config KPROBES_SANITY_TEST
        bool "Kprobes sanity tests"
        depends on DEBUG_KERNEL
@@ -707,6 +730,7 @@ config FAULT_INJECTION
 config FAILSLAB
        bool "Fault-injection capability for kmalloc"
        depends on FAULT_INJECTION
+       depends on SLAB || SLUB
        help
          Provide fault-injection capability for kmalloc.