On 08/27/14 at 10:25am, Christoph Lameter wrote: > On Wed, 27 Aug 2014, WANG Chao wrote: > > > Mergeable slab can be changed to unmergeable after tuning its sysfs > > interface, for example echo 1 > trace. But the sysfs kobject with the unique > > name will be still there. > > Hmmm... Merging should be switched off if any debugging features are > enabled. Maybe we need to disable modifying debug options for an active > cache? This could cause other issues as well since the debug options will > then apply to multiple caches. Yes, currently merging is already switched off if there's any debug flag. It sounds a bit overkill to me to disable runtime configuration. I don't know how many people out there would trace a mergeable (multiple) caches. Well it sounds better if we give them the chance to that... Thanks WANG Chao -- 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>