On Tue, 14 Jan 2014 09:19:35 +0900 Minchan Kim <[email protected]> wrote:
> On Mon, Jan 13, 2014 at 03:58:14PM -0800, Andrew Morton wrote: > > On Mon, 13 Jan 2014 20:18:59 +0900 Minchan Kim <[email protected]> wrote: > > > > > Some of fields in zram->stats are protected by zram->lock which > > > is rather coarse-grained so let's use atomic operation without > > > explict locking. > > > > Confused. The patch didn't remove any locking, so it made the code > > slower. > > True but it could make remove dependency of zram->lock for 32bit stat > so further patches can remove messy code and enhance write performance. > So, it's preparing patch for further step. > Should I rewrite the description to explain this? That would be useful ;) I'd ask for performance testing results but I expect they'll say "no difference". I grabbed patches 1-3 as they seems appropriate for 3.14. -- 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/
