--- zzzz-none-000/linux-2.6.39.4/lib/Kconfig.debug	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/lib/Kconfig.debug	2021-11-10 13:38:18.000000000 +0000
@@ -365,6 +365,22 @@
 	  allocation as well as poisoning memory on free to catch use of freed
 	  memory. This can make kmalloc/kfree-intensive workloads much slower.
 
+config DEBUG_SLAB_DOUBLE_FREE
+	bool "SLAB double free check enabled"
+	depends on DEBUG_KERNEL && SLAB && !DEBUG_SLAB
+	help
+	  Say Y here if you hit BUG or BUG_ON in slab.c, to find the problem.
+	  This makes kmalloc/kfree-intensive workloads only a little bit slower.
+
+config DEBUG_SLAB_AVM_LITE
+
+	bool "SLAB store caller and time for memoryleak-analyzing on oom"
+	depends on DEBUG_KERNEL && SLAB &&  DEBUG_SLAB_DOUBLE_FREE && AVM_KERNEL
+	default y
+	help
+	  Say Y if you want per-caller-and-time-history for kmallocs
+	  the overhead (cpu-run/memory) is VERY small
+
 config DEBUG_SLAB_LEAK
 	bool "Memory leak debugging"
 	depends on DEBUG_SLAB