> It's confusing that set_max_huge_pages() contained two different
quoted text
>  variables named "ret", and although the code works correctly this should
>  be fixed.
>
>  The inner of the two variables can simply be removed.
                            ^^^^

two?
I think removal inner variable is 1, no?
but, your change is perfectly right, IMHO.

           Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>


quoted text
>         while (count > persistent_huge_pages) {
>  -               int ret;
>                 /*
>                  * If this allocation races such that we no longer need the
>                  * page, free_huge_page will handle it by freeing the page
>                  * and reducing the surplus.
>                  */
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