On Wed, Sep 03, 2014 at 10:01:58AM +1000, NeilBrown wrote: > Do we still need maximums at all? I don't think we do. At least on any system I work with I have to increase them to get good performance without any adverse effect on throttling. > So can we just remove the limit on max_sectors and the RAID5 stripe cache > size? I'm certainly keen to remove the later and just use a mempool if the > limit isn't needed. > I have seen reports that a very large raid5 stripe cache size can cause > a reduction in performance. I don't know why but I suspect it is a bug that > should be found and fixed. > > Do we need max_sectors ?? I'll send a patch to remove it and watch for the fireworks.. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>