kunit: slub: add module description

Modules without a description now cause a warning:

WARNING: modpost: missing MODULE_DESCRIPTION() in lib/tests/slub_kunit.o

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 6c6c1fc ("modpost: require a MODULE_DESCRIPTION()")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Guenetr Roeck <[email protected]>
Cc: Jeff Johnson <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Pei Xiao <[email protected]>
Cc: Rae Moar <[email protected]>
Cc: Stehen Rothwell <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: arndb

lib/tests/slub_kunit.c

@@ -325,4 +325,5 @@ static struct kunit_suite test_suite = {
 };
 kunit_test_suite(test_suite);
 
+MODULE_DESCRIPTION("Kunit tests for slub allocator");
 MODULE_LICENSE("GPL");