mm/kasan: add module decription

Modules without a description now cause a warning:

WARNING: modpost: missing MODULE_DESCRIPTION() in mm/kasan/kasan_test.o

[[e-mail]: update description text, per Andrey]
Link: https://lkml.kernel.org/r/[e-mail]
Fixes: 6c6c1fc09de3 ("modpost: require a MODULE_DESCRIPTION()")
Signed-off-by: Arnd Bergmann <[e-mail]>
Reviewed-by: Andrey Konovalov <[e-mail]>
Cc: Alexander Potapenko <[e-mail]>
Cc: Andrey Ryabinin <[e-mail]>
Cc: Dmitriy Vyukov <[e-mail]>
Cc: Jann Horn <[e-mail]>
Cc: Jeff Johnson <[e-mail]>
Cc: Macro Elver <[e-mail]>
Cc: Masahiro Yamada <[e-mail]>
Cc: Nihar Chaithanya <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Sabyrzhan Tasbolatov <[e-mail]>
Cc: Stehen Rothwell <[e-mail]>
Cc: Vincenzo Frascino <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

mm/kasan/kasan_test_c.c

···
 
 kunit_test_suite(kasan_kunit_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for checking KASAN bug-detection capabilities");
 MODULE_LICENSE("GPL");