On Fri, Sep 18, 2020 at 02:45:27PM +0200, Christoph Hellwig wrote: > } > - if (type >= 0 > - && unlikely(!access_ok(buf, len))) { > + if (type != CHECK_IOVEC_ONLY && unlikely(!access_ok(buf, len))) { drop the unlikely() at the same time? if it's really advantageous, that should be embedded in the access_ok macro.