- Add some help text

- Force the feature on for now, for testing.

Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Alexander Nyberg <alexn@telia.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <cl@linux-foundation.org>.com>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

lib/Kconfig.debug

@@ -315,8 +315,13 @@ config DEBUG_SLAB
 	  memory. This can make kmalloc/kfree-intensive workloads much slower.
 
 config DEBUG_SLAB_LEAK
-	bool "Memory leak debugging"
+	bool "Slab memory leak debugging"
 	depends on DEBUG_SLAB
+	default y
+	help
+	  Enable /proc/slab_allocators - provides detailed information about
+	  which parts of the kernel are using slab objects.  May be used for
+	  tracking memory leaks and for instrumenting memory usage.
 
 config SLUB_DEBUG_ON
 	bool "SLUB debugging on by default"