1 files changed, 23 insertions, 9 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 140b66a874c1..ccca32264748 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -501,12 +501,21 @@ config DEBUG_VM
 
           If unsure, say N.
 
+config DEBUG_VM_VMACACHE
+        bool "Debug VMA caching"
+        depends on DEBUG_VM
+        help
+          Enable this to turn on VMA caching debug information. Doing so
+          can cause significant overhead, so only enable it in non-production
+          environments.
+
+          If unsure, say N.
+
 config DEBUG_VM_RB
         bool "Debug VM red-black trees"
         depends on DEBUG_VM
         help
-          Enable this to turn on more extended checks in the virtual-memory
-          system that may impact performance.
+          Enable VM red-black tree debugging information and extra validations.
 
           If unsure, say N.
 
@@ -576,8 +585,8 @@ config DEBUG_HIGHMEM
         bool "Highmem debugging"
         depends on DEBUG_KERNEL && HIGHMEM
         help
-          This options enables addition error checking for high memory systems.
-          Disable for production systems.
+          This option enables additional error checking for high memory
+          systems.  Disable for production systems.
 
 config HAVE_DEBUG_STACKOVERFLOW
         bool
@@ -824,11 +833,6 @@ config DEBUG_RT_MUTEXES
          This allows rt mutex semantics violations and rt mutex related
          deadlocks (lockups) to be detected and reported automatically.
 
-config DEBUG_PI_LIST
-        bool
-        default y
-        depends on DEBUG_RT_MUTEXES
-
 config RT_MUTEX_TESTER
         bool "Built-in scriptable tester for rt-mutexes"
         depends on DEBUG_KERNEL && RT_MUTEXES
@@ -1054,6 +1058,16 @@ config DEBUG_LIST
 
           If unsure, say N.
 
+config DEBUG_PI_LIST
+        bool "Debug priority linked list manipulation"
+        depends on DEBUG_KERNEL
+        help
+          Enable this to turn on extended checks in the priority-ordered
+          linked-list (plist) walking routines.  This checks the entire
+          list multiple times during each manipulation.
+
+          If unsure, say N.
+
 config DEBUG_SG
         bool "Debug SG table operations"
         depends on DEBUG_KERNEL