On 2018-12-17 7:59 a.m., Nick Kossifidis wrote: > Having memory blocks of a minimum size of 1GB doesn't make much sense. > It makes it harder to implement hotplug on top of this since we'll only > able to add/remove 1GB at a time. ARM used to do the same and they > switched to 27bits (https://patchwork.kernel.org/patch/9172845/), ARM64 > still uses 1GB, x86 also uses 27bits and most archs also use something > below 30. I believe we should go for 27bits as well or even better have > this as a compile time option. Thanks, that makes sense. I'll make the change for the next time we submit. > BTW memblocks_present is on master now (got merged 3 days ago). Great! We'll send an updated patch set after the merge window. Logan
