Re: [PATCH -next] lib/test_hmm: check page after calling xa_untag_pointer()

[Ralph Campbell]

On 5/26/21 7:05 AM, Yang Yingliang wrote:

> Check page after calling xa_untag_pointer() to fix compile warning:
>    lib/test_hmm.c:631:16: warning: variable ‘page’ set but not used [-Wunused-but-set-variable]
>    631 |   struct page *page;
>        |                ^~~~
>
> Fixes: 8b2a105c3794 ("mm: selftests for exclusive device memory")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Ralph Campbell <rcampbell@xxxxxxxxxx>