Detailed Stack Information Patch [3/3]

diff -u -N -r linux-2.6.29.orig/init/Kconfig linux-2.6.29/init/Kconfig
@@ -974,6 +974,18 @@
 	  Disabling these interfaces will reduce the size of the kernel by
 	  approximately 2kb.
 
+config PROC_STACK_DEBUG
+ 	default n
+	depends on PROC_STACK
+	tristate "Enable stack monitoring debug" if EMBEDDED
+ 	help
+	  This enables a stack monitoring debug interface. Each process or
+	  thread which exceeds the stack limit will receive a SIGTRAP.
+	  Attaching a debugger to the process will give you the ability to
+	  examinate the stack usage.
+	  Disabling these interfaces will reduce the size of the kernel by
+	  approximately 2kb.
+
 endmenu		# General setup
 
 config HAVE_GENERIC_DMA_COHERENT

diff -u -N -r linux-2.6.29.orig/mm/Makefile linux-2.6.29/mm/Makefile
@@ -33,3 +33,4 @@
 obj-$(CONFIG_SMP) += allocpercpu.o
 obj-$(CONFIG_QUICKLIST) += quicklist.o
 obj-$(CONFIG_CGROUP_MEM_RES_CTLR) += memcontrol.o page_cgroup.o
+obj-$(CONFIG_PROC_STACK_DEBUG) += stackdbg.o