kernel-hacking: group kernel data structures debugging together

Group these similar runtime data structures verification options
together.

Link: http://lkml.kernel.org/r/20190909144453.3520-4-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2493a03..8526397 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1355,6 +1355,8 @@ config DEBUG_BUGVERBOSE
          of the BUG call as well as the EIP and oops trace.  This aids
          debugging but costs about 70-100K of memory.
 
+menu "Debug kernel data structures"
+
 config DEBUG_LIST
        bool "Debug linked list manipulation"
        depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION
@@ -1394,6 +1396,18 @@ config DEBUG_NOTIFIERS
          This is a relatively cheap check but if you care about maximum
          performance, say N.
 
+config BUG_ON_DATA_CORRUPTION
+       bool "Trigger a BUG when data corruption is detected"
+       select DEBUG_LIST
+       help
+         Select this option if the kernel should BUG when it encounters
+         data corruption in kernel memory structures when they get checked
+         for validity.
+
+         If unsure, say N.
+
+endmenu
+
 config DEBUG_CREDENTIALS
        bool "Debug credential management"
        depends on DEBUG_KERNEL
@@ -2107,16 +2121,6 @@ config MEMTEST
                memtest=17, mean do 17 test patterns.
          If you are unsure how to answer this question, answer N.
 
-config BUG_ON_DATA_CORRUPTION
-       bool "Trigger a BUG when data corruption is detected"
-       select DEBUG_LIST
-       help
-         Select this option if the kernel should BUG when it encounters
-         data corruption in kernel memory structures when they get checked
-         for validity.
-
-         If unsure, say N.
-
 source "samples/Kconfig"
 
 config ARCH_HAS_DEVMEM_IS_ALLOWED