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-rw-r--r--lib/Kconfig.debug23
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2e75478e9c69..4c9ae6085c75 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -512,6 +512,13 @@ config DEBUG_VIRTUAL
If unsure, say N.
+config DEBUG_NOMMU_REGIONS
+ bool "Debug the global anon/private NOMMU mapping region tree"
+ depends on DEBUG_KERNEL && !MMU
+ help
+ This option causes the global tree of anonymous and private mapping
+ regions to be regularly checked for invalid topology.
+
config DEBUG_WRITECOUNT
bool "Debug filesystem writers count"
depends on DEBUG_KERNEL
@@ -566,14 +573,14 @@ config DEBUG_NOTIFIERS
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
depends on DEBUG_KERNEL && \
- (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \
- AVR32 || SUPERH || BLACKFIN || MN10300)
- default y if DEBUG_INFO && UML
- help
- If you say Y here the resulting kernel image will be slightly larger
- and slower, but it might give very useful debugging information on
- some architectures or if you use external debuggers.
- If you don't debug the kernel, you can say N.
+ (CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \
+ AVR32 || SUPERH || BLACKFIN || MN10300) || \
+ ARCH_WANT_FRAME_POINTERS
+ default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
+ help
+ If you say Y here the resulting kernel image will be slightly
+ larger and slower, but it gives very useful debugging information
+ in case of kernel bugs. (precise oopses/stacktraces/warnings)
config BOOT_PRINTK_DELAY
bool "Delay each boot printk message by N milliseconds"