On Mon, 19 May 2014 16:22:28 -0700 Joe Perches <[email protected]> wrote:
> On Mon, 2014-05-19 at 16:09 -0700, Andrew Morton wrote: > > On Fri, 16 May 2014 22:38:15 +0200 Fabian Frederick <[email protected]> wrote: > > > Replace while blocksize;shift by fls -1 > [] > > fls() always makes my brain hurt. ilog() is nicer? > > Maybe take an aspirin? > > ilog2(n) is effectively fls(n) - 1 Precisely. ilog2() means "integer log 2". Whereas fls() is some weird low-level bit-scanning thing. What we want at this callsite is "integer log 2". So use it. -- 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/
