Jaegeuk Kim <[email protected]> writes:
>       struct page *page;
>  repeat:
>       page = grab_cache_page(mapping, index);
> -     if (!page) {
> +     if (unlikely(!page)) {

This is completely pointless, gcc already considers any test for NULL
unlikely.

In general i would advise against splattering unlikely all over your
code, the benefits are very minimal and programers often get it wrong.

-Andi

-- 
[email protected] -- Speaking for myself only
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to