On Tue, 13 Feb 2018 15:55:11 -0800 (PST) David Rientjes <rientjes@xxxxxxxxxx> wrote: > > > > Is this fine-grained enough? We've had percentage-based tunables in > > the past, and 10 years later when systems are vastly larger, 1% is too > > much. > > > > They still have the (current) ability to define the exact amount of bytes > down to page sized granularity, whereas 1% would yield 40GB on a 4TB > system. I'm not sure that people will want any finer-grained control if > defining the proportion of the system for kernelcore. They do have the > ability with the existing interface, though, if they want to be that > precise. > > (This is a cop out for not implementing some fractional percentage parser, > although that would be possible as a more complete solution.) And the interface which you've proposed can be seamlessly extended to accept 0.07%, so not a problem. -- 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>