mm/hwpoison: add MODULE_DESCRIPTION()

Patch series "mm: add missing MODULE_DESCRIPTION() macros".

This fixes the instances of "WARNING: modpost: missing
MODULE_DESCRIPTION()" that I'm seeing in mm/.


This patch (of 4):

Fix the 'make W=1' warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in mm/hwpoison-inject.o

Link: https://lkml.kernel.org/r/20240513-mm-md-v1-0-8c20e7d26842@quicinc.com
Link: https://lkml.kernel.org/r/20240513-mm-md-v1-1-8c20e7d26842@quicinc.comSigned-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/hwpoison-inject.c

@@ -110,4 +110,5 @@ static int __init pfn_inject_init(void)
 
 module_init(pfn_inject_init);
 module_exit(pfn_inject_exit);
+MODULE_DESCRIPTION("HWPoison pages injector");
 MODULE_LICENSE("GPL");