On Thu, 2013-06-27 at 09:32 +0800, Alex Shi wrote: > The following line should be added head of commit log on patches 1~4. :) > > From: Alex Shi <alex.shi@xxxxxxxxx> > > > > Cmpxchg will cause the cacheline bouning when do the value checking, > > that cause scalability issue in a large machine (like a 80 core box). > > > > So a lock pre-read can relief this contention. > > > > Signed-off-by: Alex Shi <alex.shi@xxxxxxxxx> > > Okay. Will add the From line in addition to Signed off line on next update. Tim -- 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>