On Saturday 26 July 2008 03:55:36 Jeremy Fitzhardinge wrote: > So I guess what I need is some measurement of "memory use" which is > perhaps akin to a system-wide RSS; a measure of the number of pages > being actively used, that if non-resident would cause a large amount of > paging. If you shrink the domain down to that number of pages + some > padding (x%?), then the system will run happily in a stable state. If > that number increases, then the system will need new memory soon, to > stop it from thrashing. And if that number goes way below the domain's > actual memory allocation, then it has "too much" memory. Like everyone, I've thought about this. The shrinker callbacks seem like a candidate here; have you played with them at all? Some dynamic tension between the shrinker callback and slow feed of pages to the balloon seems like it should work... Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization