Mikulas Patocka <mpatocka@xxxxxxxxxx> writes:
> copy = min(bytes, iov->iov_len - skip);
>
> +#ifdef CONFIG_HIGHMEM
> if (!fault_in_pages_writeable(buf, copy)) {
If you use IS_ENABLED in the if here ...
> kunmap(page);
> +
> +#ifdef CONFIG_HIGHMEM
> done:
> +#endif
... you don't need this ifdef.
-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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